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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">SECURITIES
        AND EXCHANGE COMMISSION</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Washington,
        D.C. 20549</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">FORM
        8-K</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">CURRENT
        REPORT</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
        to Section 13 or 15(d) of the</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Securities
        Exchange Act of 1934</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date
        of
        Report: September 30, 2005</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Date
        of
        earliest event reported)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">FIRST
        HORIZON ASSET SECURITIES INC.</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">(Exact
        name of Registrant as specified in its charter)</div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">Delaware</div>
              </td>
              <td valign="top" width="27%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">333-125158</div>
              </td>
              <td valign="top" width="27%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">75-2808384</div>
              </td>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">(State
                  of Incorporation)</div>
              </td>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">(Commission
                  File No.)</div>
              </td>
              <td valign="top" width="27%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">(I.R.S.
                  Employer</div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">Identification
                  No.)</div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">4000
                  Horizon Way</div>
              </td>
              <td valign="top" width="27%">&#160;</td>
              <td valign="top" width="27%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">75063</div>
              </td>
            </tr>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">Irving,
                  Texas</div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">(Address
                  of Principal executive offices)</div>
              </td>
              <td valign="top" width="27%">&#160;</td>
              <td valign="top" width="27%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">(Zip
                  Code)</div>
              </td>
            </tr>

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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Registrant&#8217;s
        Telephone Number, Including Area Code: (214) 441-4000</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">Check
                  the appropriate box if the Form 8-K filing is intended
                  to simultaneously satisfy the filing obligation of the registrant
                  under
                  any of the following provisions:</div>
              </td>
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            <tr>
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            </tr>
            <tr>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#8234;<font style="DISPLAY: inline; FONT-FAMILY: Wingdings">o
                  </font>Written communications pursuant to Rule 425 under the Securities
                  Act (17 CFR 230.425)</div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#8234;<font style="DISPLAY: inline; FONT-FAMILY: Wingdings">o
                  </font>Soliciting material pursuant to Rule 14a-12 under the Exchange
                  Act
                  (17 CFR 240.14a-12)</div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#8234;<font style="DISPLAY: inline; FONT-FAMILY: Wingdings">o
                  </font>Pre-commencement communications pursuant to Rule 14d-2(b)
                  under the
                  Exchange Act (17 CFR 240.14d-2(b))</div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#8234;<font style="DISPLAY: inline; FONT-FAMILY: Wingdings">o
                  </font>Pre-commencement communications pursuant to Rule 13e-4(c)
                  under the
                  Exchange Act (17 CFR 240.13e-4(c))</div>
              </td>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
        8.01.</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Other
        Events</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Reference
          is hereby made to the Registrant&#8217;s Registration Statement on Form S-3 (File No.
          333-125158) filed with the Securities and Exchange Commission (the &#8220;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Commission</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#8221;)
          on
          July 29, 2005 (the &#8220;Registration Statement&#8221;), pursuant to which the Registrant
          registered $12,000,000,000 aggregate principal amount of its mortgage
          pass-through certificates, issuable in various series, for sale in accordance
          with the provisions of the Securities Act of 1933, as amended. Reference
          is also
          hereby made to the Prospectus, dated July 29, 2005 and the related Prospectus
          Supplement filed with respect to the Registrant&#8217;s Mortgage Pass-Through
          Certificates, Series 2005-FA8 (the &#8220;Certificates&#8221;) filed with the Commission on
          September 30, 2005, pursuant to Rule 424(b)(5) prior to the issuance and
          sale of
          the Certificates, which is expected to occur on or prior to September 30,
          2005
          (collectively, the &#8220;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Prospectus</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#8221;).
          </font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
          Registrant is filing this Current Report on Form 8-K to provide prospective
          investors with certain materials which constitute &#8220;Computational Materials&#8221;
          within the meaning of the no-action letter dated May 20, 1994 issued by
          the
          Division of Corporation Finance of the Commission to Kidder, Peabody Acceptance
          Corporation I, Kidder, Peabody &amp; Co. Incorporated, and Kidder Structured
          Asset Corporation and the no-action letter dated May 27, 1994 issued by
          the
          Division of Corporation Finance of the Commission to the Public Securities
          Association (together, the &#8220;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Kidder
          Letters</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#8221;),
          the
          filing of which materials is a condition of the relief granted in such
          letters
          (such materials being the &#8220;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Computational
          Materials</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#8221;).
          The
          Computational Materials set forth in </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Exhibit
          99.1</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
          were
          prepared solely by Credit Suisse First Boston LLC in connection with the
          offering of certain classes of the Registrant&#8217;s Mortgage Pass-Through
          Certificates, and the Registrant did not prepare or participate in the
          preparation of any such Computational Materials. </font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
          assumptions used in preparing the Computational Materials were based upon
          a
          preliminary compilation of the underlying collateral and the estimated
          principal
          amount and other features of the Certificates. The actual features of the
          Certificates and a detailed description of the final constituency of the
          underlying collateral are set forth in the Prospectus. </font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Due
          to
          the preliminary nature of the collateral and security information used
          in
          preparing the Computational Materials, no assurance can be given as to
          either
          the Computational Materials&#8217; or the underlying assumptions&#8217; accuracy,
          appropriateness or completeness in any particular context; nor can assurance
          be
          given as to whether the Computational Materials and/or the assumptions
          upon
          which they are based reflect present market conditions or future market
          performance. These Computational Materials should not be construed as either
          projections or predictions or as legal, tax, financial or accounting
          advice.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Any
          yields or weighted average lives shown in the Computational Materials are
          based
          on prepayment assumptions, and changes in such prepayment assumptions may
          dramatically affect such yields or weighted average lives. In addition,
          it is
          possible that prepayments on the collateral will occur at rates slower
          or faster
          than the rates shown in the attached Computational Materials. </font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Furthermore,
          unless otherwise provided, the Computational Materials assume no losses
          on the
          collateral and no interest shortfall. The specific characteristics of the
          Certificates may differ from those shown in the Computational Materials
          due to
          differences between the actual collateral and the hypothetical collateral
          used
          in preparing the Computational Materials. As noted above, the principal
          amount
          and designation of any security described in the Computational Materials
          are
          subject to change prior to issuance.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Please
          be
          advised that mortgage-backed securities may not be appropriate for all
          investors. Potential investors must be willing to assume, among other things,
          market price volatility, mortgage prepayments, yield curve and interest
          rate
          risks. Investors should make every effort to consider the risks of these
          securities.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Any
          statement or information contained in the Computational Materials shall
          be
          deemed to be modified or superseded for purposes of the Prospectus and
          the
          Registration Statement by statements or information contained in the
          Prospectus.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
          9.01.</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Financial
          Statements and Exhibits</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div align="center">
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              <tr bgcolor="#ffffff">
                <td width="5%">&#160;</td>
                <td width="5%"><font size="2">(c)</font></td>
                <td width="10%"><font size="2">Exhibits</font></td>
                <td width="80%">&#160;</td>
              </tr>
              <tr bgcolor="#ffffff">
                <td width="5%">&#160;</td>
                <td width="5%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="80%">&#160;</td>
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                <td width="5%">&#160;</td>
                <td width="5%">&#160;</td>
                <td width="10%"><u><font size="2">Exhibit No.</font></u></td>
                <td width="80%"><u><font size="2">Description</font></u></td>
              </tr>
              <tr bgcolor="#ffffff">
                <td width="5%">&#160;</td>
                <td width="5%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="80%">&#160;</td>
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                <td width="5%">&#160;</td>
                <td width="10%"><font size="2">99.1</font></td>
                <td width="80%"><font size="2">Computational Materials prepared
                  by Credit
                  Suisse First Boston LLC</font></td>
              </tr>

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        <div align="center">&#160;</div>
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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Signatures</u></font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
          to the requirements of the Securities Exchange Act of 1934, the Registrant
          as of
          the date first written above has duly caused this Report to be signed on
          its
          behalf by the undersigned hereunto duly authorized.</font></div>
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                <td width="49%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
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                <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
                <td colspan="2"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">FIRST
                  HORIZON ASSET SECURITIES INC.</font></td>
              </tr>
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                <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;<br>&#160;</font></td>
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                <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;<br>&#160;</font></td>
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                <td>&#160;</td>
                <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">By:&#160;&#160;</font></td>
                <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">/s/&#160;
                  Alfred Chang<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></font></td>
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                <td colspan="2"><font style="FONT-FAMILY: Times New Roman" size="1">&#160;</font></td>
                <td align="left">
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                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Alfred
                    Chang</font></div>
                </td>
              </tr>
              <tr valign="top" bgcolor="#ffffff">
                <td colspan="2"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
                <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Vice
                  President</font></td>
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                <td colspan="2">&#160;</td>
                <td>&#160;</td>
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                <td colspan="2"><font size="2">Dated: October 2, 2005</font></td>
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                Page for Form 8-K (Computational Materials)</font></div>
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                2005-FA8</font></div>
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          99.1</font></div>
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          Materials prepared by </u></font></div>
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          Suisse First Boston LLC</u></font></div>
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{"company-data": {"conformed-name": "FIRST HORIZON ASSET SECURITIES INC", "cik": "0001081915", "assigned-sic": "6189", "irs-number": "752808384", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-74467", "film-number": "051115760"}, "business-address": {"street1": "4000 HORIZON WAY", "city": "IRVING", "state": "TX", "zip": "75063", "phone": "9724845600"}, "mail-address": {"street1": "4000 HORIZON WAY", "city": "IRVING", "state": "TX", "zip": "78063"}}
SECURITIES
        AND EXCHANGE COMMISSION
Washington,
        D.C. 20549
FORM
        8-K
CURRENT
        REPORT
Pursuant
        to Section 13 or 15(d) of the
Securities
        Exchange Act of 1934
Date
        of
        Report: September 30, 2005
(Date
        of
        earliest event reported)
FIRST
        HORIZON ASSET SECURITIES INC.
(Exact
        name of Registrant as specified in its charter)
Delaware
333-125158
75-2808384
(State
                  of Incorporation)
(Commission
                  File No.)
(I.R.S.
                  Employer
Identification
                  No.)
4000
                  Horizon Way
75063
Irving,
                  Texas
(Address
                  of Principal executive offices)
(Zip
                  Code)
Registrant's
        Telephone Number, Including Area Code: (214) 441-4000
Check
                  the appropriate box if the Form 8-K filing is intended
                  to simultaneously satisfy the filing obligation of the registrant
                  under
                  any of the following provisions:
‪
o
Written communications pursuant to Rule 425 under the Securities
                  Act (17 CFR 230.425)
‪
o
Soliciting material pursuant to Rule 14a-12 under the Exchange
                  Act
                  (17 CFR 240.14a-12)
‪
o
Pre-commencement communications pursuant to Rule 14d-2(b)
                  under the
                  Exchange Act (17 CFR 240.14d-2(b))
‪
o
Pre-commencement communications pursuant to Rule 13e-4(c)
                  under the
                  Exchange Act (17 CFR 240.13e-4(c))
Item
        8.01.
Other
        Events
.
Reference
          is hereby made to the Registrant's Registration Statement on Form S-3 (File No.
          333-125158) filed with the Securities and Exchange Commission (the "
Commission
")
          on
          July 29, 2005 (the "Registration Statement"), pursuant to which the Registrant
          registered $12,000,000,000 aggregate principal amount of its mortgage
          pass-through certificates, issuable in various series, for sale in accordance
          with the provisions of the Securities Act of 1933, as amended. Reference
          is also
          hereby made to the Prospectus, dated July 29, 2005 and the related Prospectus
          Supplement filed with respect to the Registrant's Mortgage Pass-Through
          Certificates, Series 2005-FA8 (the "Certificates") filed with the Commission on
          September 30, 2005, pursuant to Rule 424(b)(5) prior to the issuance and
          sale of
          the Certificates, which is expected to occur on or prior to September 30,
          2005
          (collectively, the "
Prospectus
").
The
          Registrant is filing this Current Report on Form 8-K to provide prospective
          investors with certain materials which constitute "Computational Materials"
          within the meaning of the no-action letter dated May 20, 1994 issued by
          the
          Division of Corporation Finance of the Commission to Kidder, Peabody Acceptance
          Corporation I, Kidder, Peabody & Co. Incorporated, and Kidder Structured
          Asset Corporation and the no-action letter dated May 27, 1994 issued by
          the
          Division of Corporation Finance of the Commission to the Public Securities
          Association (together, the "
Kidder
          Letters
"),
          the
          filing of which materials is a condition of the relief granted in such
          letters
          (such materials being the "
Computational
          Materials
").
          The
          Computational Materials set forth in
Exhibit
          99.1
were
          prepared solely by Credit Suisse First Boston LLC in connection with the
          offering of certain classes of the Registrant's Mortgage Pass-Through
          Certificates, and the Registrant did not prepare or participate in the
          preparation of any such Computational Materials.
The
          assumptions used in preparing the Computational Materials were based upon
          a
          preliminary compilation of the underlying collateral and the estimated
          principal
          amount and other features of the Certificates. The actual features of the
          Certificates and a detailed description of the final constituency of the
          underlying collateral are set forth in the Prospectus.
Due
          to
          the preliminary nature of the collateral and security information used
          in
          preparing the Computational Materials, no assurance can be given as to
          either
          the Computational Materials' or the underlying assumptions' accuracy,
          appropriateness or completeness in any particular context; nor can assurance
          be
          given as to whether the Computational Materials and/or the assumptions
          upon
          which they are based reflect present market conditions or future market
          performance. These Computational Materials should not be construed as either
          projections or predictions or as legal, tax, financial or accounting
          advice.
Any
          yields or weighted average lives shown in the Computational Materials are
          based
          on prepayment assumptions, and changes in such prepayment assumptions may
          dramatically affect such yields or weighted average lives. In addition,
          it is
          possible that prepayments on the collateral will occur at rates slower
          or faster
          than the rates shown in the attached Computational Materials.
Furthermore,
          unless otherwise provided, the Computational Materials assume no losses
          on the
          collateral and no interest shortfall. The specific characteristics of the
          Certificates may differ from those shown in the Computational Materials
          due to
          differences between the actual collateral and the hypothetical collateral
          used
          in preparing the Computational Materials. As noted above, the principal
          amount
          and designation of any security described in the Computational Materials
          are
          subject to change prior to issuance.
Please
          be
          advised that mortgage-backed securities may not be appropriate for all
          investors. Potential investors must be willing to assume, among other things,
          market price volatility, mortgage prepayments, yield curve and interest
          rate
          risks. Investors should make every effort to consider the risks of these
          securities.
Any
          statement or information contained in the Computational Materials shall
          be
          deemed to be modified or superseded for purposes of the Prospectus and
          the
          Registration Statement by statements or information contained in the
          Prospectus.
Item
          9.01.
Financial
          Statements and Exhibits
.
(c)
Exhibits
Exhibit No.
Description
99.1
Computational Materials prepared
                  by Credit
                  Suisse First Boston LLC
Signatures
Pursuant
          to the requirements of the Securities Exchange Act of 1934, the Registrant
          as of
          the date first written above has duly caused this Report to be signed on
          its
          behalf by the undersigned hereunto duly authorized.
FIRST
                  HORIZON ASSET SECURITIES INC.
By:
/s/ 
                  Alfred Chang
Alfred
                    Chang
Vice
                  President
Dated: October 2, 2005
Signature
                Page for Form 8-K (Computational Materials)
FHAMS
                2005-FA8
EXHIBIT
          99.1
Computational
          Materials prepared by
Credit
          Suisse First Boston LLC
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