| AD Number | 87-17-04 | Status | Active |
| Effective Date | September 14, 1987 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-5705 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | BAE Systems (Operations) Limited |
| Model(s) | BAe 146-100A BAe 146-200A BAe 146-300A |
87-17-04 BRITISH AEROSPACE: Amendment 39-5705. Applies to Model BAe-146 series airplanes listed in British Aerospace BAe-146 Service Bulletin 27-54-70193A, Revision 1, dated June 3, 1986, certificated in any category. Compliance required within 60 days after the effective date of this AD, unless previously accomplished:
To prevent the loss of primary or secondary drive of the flap system torque limiter output, accomplish the following:
A. Inspect torque limiter drive sprocket splines for excessive backlash and replace, if necessary, in accordance with BAe Alert Service Bulletin 27-A54, Revision 1, dated April 22, 1986.
B. Repeat the following inspections described in BAe Service Bulletin 27-A54, Revision 1, dated April 22, 1986;
1. Paragraph 2A: At intervals not exceeding 600 landings.
2. Paragraph 2B: At intervals not exceeding 300 landings.
C. Modification of the flap drive system in accordance with BAe Modification Service Bulletin 27-54-70193A, Revision 1, dated June 3, 1986, constitutes terminating action for the repetitive inspection requirements of paragraph B., above.
D. 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.
E. 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 inspections and/or modifications required by this AD.
All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to British Aerospace, Service Bulletin 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 September 14, 1987.