88-16-02 R1: Landing gear brakes

McDonnell Douglas: Applies to McDonnell Douglas Model DC-10-30, -30F, -40, and KC-10A (Military) series airplanes, certificated in any category. Compliance required as indicated unless previously accomplished. \nTo prevent the loss of main landing gear brake effectiveness, accomplish the following:\nA. Within 30 days after August 20, 1988 (the effective date of Amendment 39-5991), inspect the brakes for wear. If the brake wear is greater than the following limits, replace the brake with one within limits prior to further flight. Thereafter, these limits must be maintained until the requirements of paragraphs E. and F., below, are accomplished:\n1. For Goodyear/Loral Systems part number 5000758-2, -3, and -5, the maximum brake wear limit is 1.50 inches. \n2. For Goodyear/Loral Systems part number 5000758-4, -6, and -10, the maximum brake wear limit is 1.75 inches.\nB. Within 30 days after August 20, 1988 (the effective date of Amendment 39-5991), incorporate the wear limits listed in paragraph A., above, into the FAA-approved maintenance inspection program.\nC. Beginning 30 days after the effective date of this amendment, replace any removed brake with either of the following:\n1. Goodyear/Loral Systems brake, part number 5000758-4, -6, or -10; or \n2. Goodyear/Loral Systems brake, part number 5000758-2, -3, or -5, modified with all long piston sleeves, part number 5003366, in accordance with Goodyear/Loral Maintenance Manual AP-391. Identify the modified brake in accordance with accepted practices.\nD. Within 90 days after the effective date of this amendment, replace all Goodyear/Loral Systems unmodified brakes, part numbers 5000758-2, -3, and -5, with either:\n1. Goodyear/Loral Systems brakes, part number 5000758-4, -6, or -10; or \n2.Goodyear/Loral Systems brake, part number 5000758-2, -3, or -5, modified with all long piston sleeves, part number 50003366, in accordance with Goodyear/Loral Maintenance Manual AP-391.\nE. Within 90 days after the effective date ofthis amendment, inspect the brakes for wear. Any brake that is worn more than 0.75 inch must be replaced, prior to further flight, with one within this limit.\nF. Within 90 days after the effective date of this amendment, incorporate the 0.75 inch brake wear limit into FAA-approved maintenance inspection program.\nG. 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, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region. \nNote. The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who may add any comments and then send it to the Manager, Los Angeles Aircraft Certification Office.\nH. Special 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.\nThis Amendment becomes effective October 14, 1988.