85-15-02 BRITISH AEROSPACE: Amendment 39-5100. Applies to all Model BAe 146 airplanes certificated in any category on which Modification HCM00301A or B has been accomplished, and on which Modification HCM00432A or B has not been accomplished. Compliance is required within the next 100 landings after the effective date of this airworthiness directive (AD). To detect and prevent chafing of the fuselage skin, accomplish the following, unless previously accomplished:
1. Inspect the fuselage skin beneath the wing to-fuselage fairings for chafing, repair if necessary, and apply anti-chafe tape in accordance with British Aerospace Service Bulletin 53-5 dated August 15, 1984, or Service Bulletin 53-5, Revision 1, dated April 19, 1985.
2. Repeat the inspection required by paragraph 1., above, at intervals not to exceed 1000 landings until Modification HCM00432A or B is incorporated.
3. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.
4. 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.
This amendment becomes effective August 22, 1985.