2004-24-02: Outside tube (cage) that supports the main landing gear leg

2004-24-02 Ostmecklenburgische Flugzeugbau GmbH: Amendment 39-13878; Docket No. 2004-CE-67-AD. When Does This AD Become Effective? (a) This AD becomes effective on December 28, 2004. What Other ADs Are Affected by This Action? (b) None. What Airplanes Are Affected by This AD? (c) This AD affects Model OMF-100-160 airplanes, serial numbers 0006, 0007, 0012 through 0015, 0017, 0018, 0020, 0021, 0024, 0025, 0028, and 0029; that are certificated in any category. What Is the Unsafe Condition Presented in This AD? (d) This AD is the result of cracks in the fuselage tubing assembly and inadequate thickness of tubing that supports the main landing gear leg. The actions specified in this AD are intended to detect, correct, and prevent future cracks in the tubing for the main landing gear leg, which could result in failure of the fuselage tubing assembly. This failure could lead to loss of control of the airplane. What Must I Do To Address This Problem?(e) To address this problem, you must do the following: Actions Compliance Procedures (1) Inspect the main landing gear leg support for cracks. Inspect the airplane within 50 hours time-in-service (TIS) after December 28, 2004 (the effective date of this AD). Inspect following the procedures in OMF Alert Service Bulletin No. 1107/0002, dated September 16, 2003. (2) If cracks are found during any inspection required in paragraph (e)(1) or (e)(3)(ii) of this AD, obtain repair instructions from the manufacturer through the FAA and incorporate the repair instructions. This repair eliminates the repetitive inspection requirement of this AD. Repair prior to further flight after the inspection where cracks are found. Contact an Ostmecklengurgische Flugzeugbau GmbH (OMF) representative at 1-819-377-1177 for repair instructions and incorporate these instructions. Summarize and copy all correspondence and send to FAA at the address specified in paragraph (f) of this AD. (3) If no cracks are found during the inspection required in paragraph (e)(1) of this AD, do the following: (i) inspect tubing for proper thickness and make any appropriate reinforcements (ii) repetitively inspect main landing gear leg support for cracks Inspect for tubing thickness of the airplane within 50 hours TIS after the initial inspection required in paragraph (e)(1) of this AD. Reinforce prior to further flight after the inspection required in paragraph (e)(3)(i) of this AD. Repetitively inspect the main landing gear leg support within 50 hours TIS after the initial inspection required by paragraph (e)(1) of this AD and thereafter at intervals not to exceed 50 hours TIS. Inspect following procedures in OMF Alert Service Bulletin No. 1107/0002, dated September 16, 2003. Reinforce with instructions from the manufacturer. Contact an Ostmecklengurgische Flugzeugbau GmbH (OMF) representative at 1-819-377-1177 for repair instructions and incorporate these instructions. Summarize and copy all correspondence and send to FAA at the address specified in paragraph (f) of this AD. May I Request an Alternative Method of Compliance? (f) You may request a different method of compliance or a different compliance time for this AD by following the procedures in 14 CFR 39.19. Unless FAA authorizes otherwise, send your request to your principal inspector. The principal inspector may add comments and will send your request to the Manager, Standards Office, FAA. For information on any already approved alternative methods of compliance, contact Karl Schletzbaum, Aerospace Engineer, ACE-112, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri, 64106; telephone: (816) 329-4146; facsimile: (816) 329-4149. Is There Other Information That Relates to This Subject? (g) LBA Airworthiness Directive No. 2003-272, dated October 7, 2003, and OMF Alert Service Bulletin 1107/0002, dated September 16, 2003, pertain to the subject of this AD. Does This AD Incorporate Any Material by Reference? (h) You must do the actions required by this AD following the instructions in OMF Aircraft Alert Service Bulletin 1107/0002, dated September 16, 2003. The Director of the Federal Register approved the incorporation by reference of this service bulletin in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To get a copy of this service information, contact Ostmecklenburgische Flugzeugbau GmbH, Flughafenstrasse, 17039 Trollenhagen, Federal Republic of Germany; telephone: 011 49 395 42560-0; facsimile: 011 49 395 42560- 20. To review copies of this service information, go to the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html or call (202) 741-6030. To view the ADdocket, go to the Docket Management Facility; U.S. Department of Transportation, 400 Seventh Street, SW., Nassif Building, Room PL- 401, Washington, DC 20590-001 or on the Internet at http://dms.dot.gov. The docket number is 2003-CE-67-AD.