AD 92-10-01

92-10-01 BOEING: Amendment 39-8234. Docket No. 91-NM-240-AD. Supersedes AD 91-15-13, Amendment 39-7077.

Applicability: Model 767 series airplanes, as listed in Boeing Service Bulletin 767-27-0104, Revision 2, dated September 12, 1991; certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent the overwing escape slide from being damaged by sharp edges of the rub strip on the inboard spoilers, accomplish the following:

(a) Except as provided by paragraph (b) of this AD, within the next 9 months after August 29, 1991 (the effective date of amendment 39-7077), modify the inboard edges of the rub strip on the inboard spoilers in accordance with Boeing Service Bulletin 767-27-0104, dated November 15, 1990, or Revision 1, dated May 30, 1991.

(b) For airplanes equipped with inboard spoiler assemblies, part numbers 113T4100-37, -38, -41, -42, -45, and -46: Within the next 9 months after the effective date of this AD, modify the inboard edges of the rub strip on the inboard spoilers in accordance with Boeing Service Bulletin 767-27-0104, Revision 2, dated September 12, 1991.

(c) 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.

(d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

(e) The modification shall be done in accordance with Boeing Service Bulletin 767-27-0104, dated November 15, 1990; or Revision 1, dated May 30, 1991; or Revision 2, dated September 12, 1991; as applicable. This incorporation by reference was approved by theDirector of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. (The incorporation by reference of Boeing Service Bulletin 767-27-0104, dated November 15, 1990, and Revision 1, dated May 30, 1991, was previously approved by the Director of the Federal Register as of August 29, 1991 (56 FR 34019, July 25, 1991).) 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.

(f) This amendment becomes effective on June 11, 1992.