UNITED STATES

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 (Date of earliest event reported)

October 14, 2005

Structured Asset Securities Corporation

(Exact Name of Registrant as Specified in its Charter)

Delaware

333-127589

74-2440850

(State or Other Jurisdiction

Of Incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

745 Seventh Avenue, 7^th Floor

New York, New York

10019

(Address of Principal

Executive Offices)

(Zip Code)

Registrant’s telephone number, including area code: (212) 526-7000

None

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events.¹

In connection with the offering of the First Franklin Mortgage Loan Trust Mortgage Pass-Through Certificates, Series 2005-FF10, Lehman Brothers Inc. as underwriter of the Certificates (the “Underwriter”) has prepared certain materials (the “Collateral Term Sheet”), for distribution to potential investors. Although Structured Asset Securities Corporation provided the Underwriter with certain information regarding the characteristics of the mortgage loans in the related portfolio, it did not participate in the preparation of the Collateral Term Sheet filed hereby.

For purposes of this Form 8-K, “Collateral Term Sheet” shall mean certain descriptive information about the mortgage loans underlying the offering of Structured Asset Securities Corporation Mortgage Pass-Through Certificates, including data regarding the contractual and related characteristics of the underlying mortgage loans, such as the weighted average coupon, weighted average maturity and other factual information regarding the types of assets comprising the mortgage pool. The Collateral Term Sheets will be filed hereby as Exhibit 99.1.

.Capitalized terms used but not otherwise defined herein shall have the same meanings ascribed to them in the Prospectus.

Item 9.01. Financial Statements and Exhibits.

(a)

Not applicable.

(b)

Not applicable.

(c)

Not applicable.

(d)

Exhibits:

99.1

Collateral Term Sheet

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

STRUCTURED ASSET SECURITIES

CORPORATION

By: /s/ Ellen V. Kiernan __

Name: Ellen V. Kiernan

Title: Senior Vice President

Dated: October 18, 2005

EXHIBIT INDEX

Exhibit No.

Description

99.1

Collateral Term Sheet

Exhibit 99.1 Collateral Term Sheet

STRUCTURED ASSET SECURITIES CORP 8-K