87-01-02 BOEING: Amendment 39-5494. Applies to all Model 747 airplanes, certificated in any category, equipped with the single-piece escape slide at Door No. 3. To ensure that the escape slide pack remains in proper position on the door in the event of a minor crash landing, accomplish the following, unless already accomplished: \n\n\tA.\tWithin twelve months after the effective date of this AD, modify the escape slide attachment in accordance with Boeing Alert Service Bulletin 747-25A2710, dated July 15, 1986, or later FAA-approved revisions. \n\n\tB.\tAn 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, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. \n\n\tC.\tSpecial 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 modification required by this AD. \n\n\tAll persons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124-2207. 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. \n\n\tThis amendment becomes effective January 20, 1987.