91-23-03: Fuel System

91-23-03 AVIONS MUDRY & CIE: Amendment 39-8072. Docket No. 91-CE-58-AD. Applicability: Model CAP10B Airplanes (serial numbers 01 through 208), certificated in any category. Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished. To prevent engine stoppage caused by air entering the inverted flight valve, accomplish the following: (a) Modify the fuel system in accordance with paragraph 2. ASSEMBLY INSTRUCTIONS of Avions Mudry & Cie Service Bulletin CAP10B No. 13, dated May 14, 1991. (b) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (c) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Brussels Aircraft Certification Office, Europe, Africa, Middle East office, FAA, c/o American Embassy, 1000 Brussels, Belgium. The request should be forwarded through an FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office. (d) The modifications required by this AD shall be done in accordance with Avions Mudry & Cie Service Bulletin CAP10B No. 13, dated May 14, 1991. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Avions Mudry & Cie, B.P. 214, 27300 Bernay, France. Copies may be inspected at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 1100 L Street, NW; Room 8401, Washington, DC. This amendment (39-8072, AD 91-23-03) becomes effective on December 10, 1991.