92-15-09 BRITISH AEROSPACE: Amendment 39-8303. Docket No. 91-NM-265-AD.
Applicability: Model ATP series airplanes; serial numbers 2001 through 2041, inclusive; certificated in any category.
Compliance: Required as indicated, unless accomplished previously.
To prevent poor windshield visibility, which could adversely affect the pilot's and co-pilot's ability to navigate the airplane visually, accomplish the following:
(a) For airplanes having serial numbers 2001 through 2041: Within 14 days after the effective date of this AD, and thereafter at intervals not to exceed 50 hours time-in-service, apply Repcon wipe-on rain repellent, or other equivalent rain repellent, onto the windshields and adjacent sliding side windows, in accordance with British Aerospace Service Bulletin ATP-30-3, Revision 3, dated October 19, 1990.
(b) For airplanes having serial numbers 2001 through 2019: Within 9 months after the effective date of this AD, relocate the windshield washer nozzles by incorporating Modification 35073A, in accordance with British Aerospace Service Bulletin ATP-30-10, dated September 30, 1991; or Revision 1, dated February 24, 1992.
(c) For airplanes having serial numbers 2001 through 2041: Within 9 months after the effective date of this AD, reroute the windshield washer fluid supply lines by incorporating Modification 35198A, in accordance with British Aerospace Service Bulletin ATP-30-10, dated September 30, 1991; or Revision 1, dated February 24, 1992.
(d) Accomplishment of the modification required by paragraph (b) of this AD constitutes terminating action for the requirements of paragraph (a) of this AD.
(e) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch.
NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch.
(f) 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.
(g) The rain repellent fluid applications shall be done in accordance with British Aerospace Service Bulletin ATP-30-3, Revision 3, dated October 19, 1990, which includes the following list of effective pages:
Page Number
Revision Level
Date
1
3
October 19, 1990
2-4
Original
November 1988
The modifications shall be done in accordance with British Aerospace Service Bulletin ATP-30-10, dated September 30, 1991; or British Aerospace Service Bulletin ATP-30-10, Revision 1, dated February 24, 1992. These service bulletins contain the following list of effective pages:
Service Bulletin
Number
Page
Number
Revision
Level
Date
ATP-30-10
1-9, 11, 13,
Original
September 30, 1991
Original Issue
15, 17, 19
10, 12, 14,
(These pages are not used)
16, 18
ATP-30-10
1-9, 9A, 17,
1
February 24, 1992
Revision 1
19
11, 13, 15
Original
September 30, 1991
10, 12, 14,
(These pages are not used)
16, 18
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.
(h) This amendment becomes effective on September 8, 1992.