89-19-06 BOEING: Amendment 39-6321. (Docket No. 89-NM-52-AD) \n\tApplicability: Model 757 series airplanes, equipped with Air Cruisers escape slides having the part numbers listed in Air Cruisers Service Bulletin 105-25-28, Revision 2, dated March 28, 1989, and with Air Cruisers slide/rafts having the part numbers listed in Air Cruisers Service Bulletin 105-25-29, dated March 2, 1989, certificated in any category. \n\n\tCompliance: Required within 18 months after the effective date of this AD, unless previously accomplished. \n\n\tTo ensure that the escape slides or slide/rafts deploy properly, accomplish the following: \n\n\tA.\tInstall a cable retainer and cover flap, in accordance with Air Cruisers Service Bulletin 105-25-28, Revision 2, dated March 28, 1989, or Air Cruisers Service Bulletin 105-25- 29, dated March 2, 1989, as applicable. \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\tNOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment, and then send it to the Manager, Seattle Aircraft Certification Office. \n\n\tC.\tSpecial flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. \n\n\tAll persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124, or Air Cruisers Company, P.O. Box 180, Belmar, New Jersey 07719. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. \n\n\tThis amendment (39-6321) becomes effective on October 14, 1989.