AD 92-08-01

92-08-01 BOEING: Amendment 39-8212. Docket No. 91-NM-228-AD.

Applicability: Model 757 series airplanes, equipped with Pratt and Whitney PW2000 series engines; as listed in Boeing Alert Service Bulletin 757-28A0028, dated October 3, 1991; certificated in any category.

Compliance: Required within 270 days after the effective date of this AD, unless previously accomplished.

To ensure that in-flight engine restart capability is available, accomplish the following:

(a) Remove and replace the left and right engine fuel shutoff valves in accordance with Boeing Alert Service Bulletin 757-28A0028 dated October 3, 1991.

(b) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. The request shall be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Seattle ACO.

(c) 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.

(d) The replacement shall be done in accordance with Boeing Alert Service Bulletin 757-28A0028 dated October 3, 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 Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington, 98124. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC.

(e) This amendment becomes effective on May 19, 1992.