AD 92-07-03

92-07-03 BRITISH AEROSPACE: Amendment 39-8199. Docket No. 91-NM-208-AD.

Applicability: Model BAe 125-800A series airplanes, as listed in British Aerospace Service Bulletin 25-67-25A013A, Revision 2, dated October 18, 1991; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent reduced controllability of the airplane, accomplish the following:

(a) Within 30 days after the effective date of this AD, drain the water from the wash basin water tank; and fabricate and install a placard to indicate that the wash basin is "inoperative."

(b) Within 3 months after the effective date of this AD, install a new collector/outlet and drain pipe below the wash basin water tank outlet in accordance with British Aerospace Service Bulletin 25-67- 25A013A, Revision 2, dated October 18, 1991. After installing the new collector/outlet and drain pipe, remove the placard required by paragraph (a) of this AD.

(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, Standardization Branch, ANM-113, 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, Standardization Branch, ANM-113.

(d) 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.

(e) The installation shall be done in accordance with British Aerospace Service Bulletin 25-67-25A013A, Revision 2, dated October 18, 1991, which includes the following list of effective pages:

NOTE: The individual pages of this service bulletin are marked only with a "revision level." No dates appear on the pages, except for page 1, which references July 18, 1991, as the issue date of the original version of the service bulletin, and October 18, 1991, as the issue date of Revision 2.

Page Number Revision Level 1, 7-8, 9-10, 2 2, 3, 4, 5-6, 11-12, 13, 14 Original

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 British Aerospace, PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, DC 20041-0414. 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 May 4, 1992.