AD 2009-15-16 Airworthiness Directives; McDonnell Douglas Corporation Model DC-9-10 Series Airplanes, DC-9-30 Series Airplanes, DC-9-81 (MD-81) Airplanes, DC-9-82 (MD-82) Airplanes, DC-9-83 (MD-83) Airplanes, DC-9-87 (MD-87) Airplanes, MD-88 Airplanes, and MD-90-30 Airplanes, Equipped With Flight Deck Doors Installed in Accordance With Supplemental Type Certificate ST02463AT

Models named: DC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, MD-88, MD-90-30. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to McDonnell Douglas Corporation Model DC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, and DC-9-15F airplanes, Model DC-9-31, DC-9-32, DC-9-32 (VC-9C), DC-9-32F, DC-9-33F, DC-9-34, DC-9-34F, and DC-9-32F (C-9A, C-9B) airplanes, Model DC-9-81 (MD-81) airplanes, Model DC-9-82 (MD-82) airplanes, Model DC-9-83 (MD-83) airplanes, Model DC-9-87 (MD-87) airplanes, Model MD-88 airplanes, and Model MD-90-30 airplanes; certificated in any category; equipped with flight deck doors installed in accordance with Supplemental Type Certificate ST02463AT.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Installation (g) Within 30 days after July 6, 2010 (the effective date of AD 2009-15-16), modify the flight deck door, in accordance with TIMCO Service Bulletin TSB-88-52-045, Revision E, dated November 6, 2008; or Revision G, dated December 8, 2009. Actions Accomplished According to Previous Issue of Service Bulletin (h) Modification of the flight deck door before the effective date of this AD in accordance with TIMCO Service Bulletin TSB-88-52-045, Revision F, dated November 2, 2009, is acceptable for compliance with the corresponding requirements of this AD. Alternative Methods of Compliance (AMOCs) (i)(1) The Manager, Atlanta Aircraft Certification Office (ACO), FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Linda Haynes, Aerospace Engineer, COS—Certificate Management Branch, ACE-102A, FAA, Atlanta Aircraft Certification Office, 1701 Columbia Avenue, College Park, GA 30337; telephone 404-474-5525; fax 404-474-5606. (2) To request a different method of compliance or a different compliance time for this AD, follow the procedures in 14 CFR 39.19. Before using any approved AMOC on any airplane to which the AMOC applies, notify your principal maintenance inspector (PMI) or principal avionics inspector (PAI), as appropriate, or lacking a principal inspector, your local Flight Standards District Office. The AMOC approval letter must specifically refer to this AD. (3) AMOCS previously in accordance with AD 2009-15-16, amendment 39-16345, are approved as AMOCs for the corresponding provisions of this AD. Material Incorporated by Reference (j) You must use TIMCO Service Bulletin TSB-88-52-045, Revision E, dated November 6, 2008; or TIMCO Service Bulletin TSB-88-52-045, Revision G, dated December 8, 2009; to do the actions required by this AD, unless the AD specifies otherwise. (1) The Director of the Federal Register approved the incorporation by reference of TIMCO Service Bulletin TSB-88-52-045, Revision G, dated December 8, 2009, under 5 U.S.C. 552(a) and 1 CFR part 51. (2) The Director of the Federal Register previously approved the incorporation by reference of TIMCO Service Bulletin TSB-88-52-045, Revision E, dated November 6, 2008, on July 6, 2010 (75 FR 38017, July 1, 2010). (3) For service information identified in this AD, contact TIMCO Aviation Services, 815 Radar Road, Greensboro, North Carolina 27410-6221; telephone 336-668-4410, extension 3063; fax 336-662-8330; Internet: http://www.timco.aero. (4) You may review copies of the service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington. For information on the availability of this material at the FAA, call 425-227-1221. (5) You may also review copies of the service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. Issued in Renton, Washington, on July 16, 2010. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2010-18620 Filed 8-4-10; 8:45 am] BILLING CODE 4910-13-P

This AD was prompted by a report indicating that the current design of certain equipment of the flight deck door is defective. The Federal Aviation Administration is issuing this AD to prevent the failure of this equipment, which could jeopardize flight safety.