87-06-05 MCDONNELL DOUGLAS: Amendment 39-5572. Applies to McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and KC-10A (Military) series airplanes, certificated in any category, equipped with Aircraft Mechanics, Inc., crew seats model numbers, 1056, 1057, and 1058, having serial numbers 001 through 907 and 911. Compliance required as indicated, unless previously accomplished. \n\n\tTo preclude the potential of damage to crew seat life vests, accomplish the following: \n\n\tA.\tWithin 12 months after the effective date of this AD, inspect the life vest. If any signs of chafing are found, replace before further flight with a serviceable unit. \n\n\tB.\tWithin 12 months after the effective date of this AD, modify the crew seat in accordance with the accomplishment instructions of Aircraft Mechanics, Inc., Service Bulletin 25-DC-10/678-24, dated May 20, 1984, or later revision approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.C.\tAlternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region. \n\n\tD.\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 McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director, Publications and Training, C1-L65 (54-60). These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California. \n\n\tThis Amendment becomes effective April 2, 1987.