2005-13-09: Main landing gear (MLG)

2005-13-09 GROB-WERKE: Amendment 39-14146; Docket No. FAA-2005- 19473; Directorate Identifier 2004-CE-35-AD. When Does This AD Become Effective? (a) The effective date of this AD (2005-13-09) remains July 26, 2005. What Other ADs Are Affected by This Action? (b) None. What Airplanes Are Affected by This AD? (c) This AD affects the following airplane models and serial numbers that are certificated in any category: Model G120A, all serial numbers beginning with 85001. What Is the Unsafe Condition Presented in This AD? (d) This AD results from a report that the main landing gear (MLG) may not extend because of contamination or misalignment of the assembly. The actions specified in this AD are intended to prevent the MLG from becoming jammed and not extending, which could result in loss of control of the airplane during landing. (e) To address this problem, you must do the following: Actions Compliance Procedures (1)Remove MLG up-lock hook assembly and replace with the new MLG up-lock hook assembly. Within 100 hours time-in-service after July 26, 2005 (the effective date of this AD), unless already done. Follow GROB WERKE Service Bulletin No. MSB1121 052/2, dated February 14, 2005; and GROB WERKE Service Bulletin No.MSB1121 060, dated March 7, 2005. (2) Do not install any MLG up-lock hook assembly that is not part number X03-0020-00-00.00/1 (or FAA-approved later part number that supersedes this part number).'' After July 26, 2005 (the effective date of this AD). Follow GROB WERKE Service Bulletin No. MSB1121 052/2, datedFebruary 14, 2005; and GROB WERKE Service Bulletin No. MSB1121 060, dated March 7, 2005. 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, Small Airplane Directorate, 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: 816-329-4090. Is There Other Information That Relates to This Subject? (g) Luftfahrt-Bundesamt Airworthiness Directive D-2004-299R2, dated March 15, 2005; GROB-WERKE Service Bulletin No. MSB1121-052/2, dated February 14, 2005; and GROB-WERKE Service Bulletin No. MSB1121-060, dated March 7, 2005; also address 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 GROB-WERKE Service Bulletin No. MSB1121-052/2, dated February 14, 2005; and GROB-WERKE Service Bulletin No. MSB1121-060, dated March 7, 2005. The Director of the Federal Register approved the incorporation by reference of these service bulletins in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To get a copy of this service information, contact GROB-WERKE, Burkart Grob e.K., Unternehmenbereich Luft-und Raumfahrt, Lettenbachstrasse 9, 86874 Tussenhausen-Mattsies, Germany; telephone: 011 49 8268 998 105; facsimile: 011 49 8268 998 200. 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 AD docket, 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 FAA-2004-19616.