AD 87-18-02

87-18-02 BRITISH AEROSPACE (BAe): Amendment 39-5720. Applies to Model BAC 1-11 series airplanes equipped with R.F.D. inflatable escape slides, identified in BAe BAC 1-11 Service Bulletin 25-PM5906, Revision 2, dated November 9, 1984, and BAC 1-11 Service Bulletin 25-PM5943, dated November 24, 1986, certificated in any category. Compliance is required within 5 months after the effective date of this AD, unless previously accomplished.

To prevent failure of the emergency escape slide deployment system, accomplish the following:

A. Modify the R.F.D. emergency escape slide system in accordance with BAC 1-11 Service Bulletin 25-PM5906, Revision 2, dated November 9, 1984, and BAC 1-11 Service Bulletin 25-PM5943, dated November 24, 1986.

B. An alternate means 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, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modifications required by this AD.

All persons affected by this directive who have not already received the appropriate service information from the manufacturer may obtain copies upon request to British Aerospace, Inc., Librarian, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective October 7, 1987.