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): December 22, 2011 MS Structured Asset Corp. (Issuer in Respect of TILES Trust No. 2005-1) (Exact name of registrant as specified in its charter) Delaware 333-101155 13-4026700 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 1585 Broadway, New York, New York 10036 (Address of principal executive offices, including Zip Code) Registrant's telephone number, including area code: (212) 761-2520 N/A (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 (see General Instruction A.2. below): [ ] 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)) Section 8 - Other Events Item 8.01. Other Events. U.S. Bank National Association ("U.S. Bank") succeeded Bank of America N.A. ("Bank of America") as trustee under the Trust Agreement, between MS Structured Asset Corp., as Depositor and U.S. Bank National Association, as Trustee, as successor-in-interest to Bank of America, National Association, as Trustee, as successor by merger to LaSalle Bank National Association, as Trustee, for TILES Trust No. 2005-1, dated January 6, 2006, together with Schedules I, II and III attached thereto, and the Standard Terms for Trust Agreements, between MS Structured Asset Corp, as Depositor and U.S. Bank National Association, as Trustee, as successor-in-interest to Bank of America, National Association, as Trustee, as successor by merger to LaSalle Bank National Association, as Trustee dated March 5, 2003. U.S. Bank was appointed trustee under an appointment agreement dated as of December 16, 2011

~~for~~SECURITIES ~~which~~AND ~~the~~EXCHANGE ~~final approval was received December 22. 2011. The appointment agreement is being filed as an exhibit.~~ COMMISSION

~~U.S. Bancorp~~Washington, ~~with total assets exceeding $330 billion as of September 30, 2011, is the parent company of U~~D.SC. Bank, the fifth largest commercial bank in the United States. As of September 30, 2011, U.S. Bancorp served approximately 17 million customers and operated over 3,000 branch offices in 25 states. A network of specialized U.S. Bancorp offices across the nation provides a comprehensive line of banking, brokerage, insurance, investment, mortgage, trust and payment services products to consumers, businesses, governments and institutions. 20549

~~U.S.~~FORM Bank has one of the largest corporate trust businesses in the country with office locations in 48 Domestic and 3 International cities. The Trust Agreement will be administered from U.S. Bank's corporate trust office located in Chicago, Illinois. 8-K

~~U.S.~~CURRENT Bank has provided corporate trust services since 1924. As of September 30, 2011, U.S. Bank was acting as trustee with respect to over 84,000 issuances of securities with an aggregate outstanding principal balance of over $3.2 trillion. This portfolio includes corporate and municipal bonds, mortgage-backed and asset-backed securities and collateralized debt obligations. REPORT

OnPursuant December 30, 2010, U.S. Bank National Association purchased the domestic and European-based securitization trust administration businesses of Bank of America, National Association. Following the closing of the acquisition, U.S. Bank succeeded to ~~the~~Section ~~duties~~13 ~~of the Bank of America affiliate serving as trustee~~ or ~~agent,~~15(d) ~~as applicable, under each client agreement except with respect to those transactions that require additional steps to be taken to transfer the appointments in accordance with the terms~~ of the governing instrument or agreement or applicable law. Under the terms of the agreement, U.S. Bank Corporate Trust Services acquired approximately 2,150 active securitization and related transactions, which include custodial services with respect to more than 2.4 million residential mortgage files and 84,000 commercial mortgage files, and which include more than $1.1 trillion in underlying assets.

~~Section~~Securities 9Exchange -Act ~~Financial Statements and Exhibits Item 9.01 Financial Statements and Exhibits. (d) Exhibits (Exhibit No. Description) 99.1 Instrument~~ of ~~Appointment and Acceptance of U.S. Bank National Association as Successor Trustee.~~ 1934

Date of Report (Date of earliest event reported): December 23, 2011

MS Structured Asset Corp. (Issuer in Respect of TILES Trust No. 2005-1)

(Exact name of registrant as specified in its charter)

Delaware	333-101155	13-4026700
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

1585 Broadway, New York, New York 10036

(Address of principal executive offices, including Zip Code)

Registrant's telephone number, including area code: (212) 761-2520

N/A

(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 (see General Instruction A.2. below):

[ ] 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 1.01. Entry into a Material Definitive Agreement

Credit Support Annex

Pursuant to Part 1(g)(i) of the Schedule to the ISDA® Master Agreement between the TILES Trust No. 2005-1(the “Trust”) and Morgan Stanley Capital Services LLC (the “Swap Counterparty”) dated January 6, 2006, in the event that the short-term rating of Morgan Stanley as credit support provider under a guarantee (the “Credit Support Provider”) is below "A-1" by S&P the Swap Counterparty must post collateral pursuant to an ISDA® Credit Support Annex. On December 23, 2011, the Trust and the Swap Counterparty entered into a Credit Support Annex (the “CSA”). The Swap Counterparty will post collateral to the Trust in due course and in accordance with the terms defined therein, if and when required based on the market value of the Swap Agreement and only if the current rating of the Units by S&P would otherwise fail to be higher than that of the Credit Support Provider. Currently, no collateral posting would be required to be made by the Swap Counterparty. On December 22, 2011 the Swap Counterparty received written confirmation from S&P that the execution of the CSA did not result in the withdrawal or downgrading of the rating of the Units.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit. No.	Description

10.1	Credit Support Annex to the ISDA Agreement between the TILES Trust No. 2005-1 and Morgan Stanley Capital Services LLC, dated December 23, 2011
10.2	Guarantee issued by Morgan Stanley

SIGNATURES

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

MS Structured Asset Corp. (Depositor)

		MS Structured Asset Corp. (Depositor)

Date: December 29, 2011	By:	/s/ Joshua Schanzer
		Name: Joshua Schanzer
		Title: Vice President

~~Date:~~EXHIBIT ~~December 28, 2011~~ INDEX

By: /s/ In-Young Chase

10.1	Credit Support Annex to the ISDA Agreement between the TILES Trust No. 2005-1 and Morgan Stanley Capital Services LLC, dated December 23, 2011
10.2	Guarantee issued by Morgan Stanley

Name: In-Young Chase

Title: Vice President

Filing Compare · MS STRUCTURED TILES SERIES 2005-1