87-14-07 R1 MCDONNELL DOUGLAS: Amendment 39-5630 as amended by Amendment 39-6019. Applies to McDonnell Douglas Model DC-9-10, -20, -30, -40, -50, and C-9 (Military) series airplanes, certificated in any category. Compliance required as indicated, unless previously accomplished.\n\n\tTo ensure the continuing structural integrity of these airplanes, accomplish the following:\n\n\tA.\tWithin one year after the effective date of this AD, incorporate a revision into the FAA-approved maintenance inspection program which provides for inspection of the Principal Structural Elements (PSE) defined in Section 2 of Volume I (All Series) of McDonnell Douglas Report No. L26-008, R1, DC-9 Supplemental Inspection Document (SID), dated November 1987, in accordance with Section 2 of Volume III of that document. The non-destructive inspection techniques set forth in Volume II of the SID provide acceptable methods for accomplishing the inspections required by this AD. All inspection results (negative or positive) must be reported to McDonnell Douglas, in accordance with the instructions of Section 2 of Volume III-87 of the SID.\n\n\tB.\tCracked structure detected during the inspections required by paragraph A., above, must be repaired or replaced before further flight, in accordance with an FAA-approved method.\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\tD.\tAn alternate means of compliance or an 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.\n\n\tNOTE: 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.\n\n\tThe manufacturer's specifications and procedures identified and described in this directive are incorporated by reference and made a part hereof pursuant to 5 U.S.C. 552(a)(1).\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, 3229 East Spring Street, Long Beach, California.\n\n\tThis amendment revises AD 87-14-07, Amendment 39-5630, effective August 10, 1987.\n\n\tThis amendment, 39-6019, becomes effective on December 23, 1988.