# AD 87-14-07 R1: Maintenance Inspection Program - Type: Airworthiness directive - Status: Historical - Products: McDonnell Douglas DC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-21, DC-9-31, DC-9-32, DC-9-32 (VC-9C), DC-9-32F, DC-9-32F (C-9A) and 6 more - Effective: December 23, 1988 - Superseded by: [AD 94-03-01](https://openairdocs.org/ad/94-03-01) - Product type: Aircraft, Large airplane - Amendment: 39-6019 - Registered aircraft: 13 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AA60FFBADA036E8586256A1E00521F6C.0001 - DRS record last changed: August 7, 2025 - Page: https://openairdocs.org/ad/87-14-07-R1 ## The airworthiness directive 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. To ensure the continuing structural integrity of these airplanes, accomplish the following: A. Within 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. B. Cracked 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. C. 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. D. An 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. NOTE: 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. The 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). All 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. This amendment revises AD 87-14-07, Amendment 39-5630, effective August 10, 1987. This amendment, 39-6019, becomes effective on December 23, 1988. ## Affected data sheets (1) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A6WE](https://openairdocs.org/tcds/A6WE): The Boeing Company; names 15 of 25 models: DC-9-12, DC-9-15F, DC-9-41, DC-9-13, DC-9-34F, DC-9-33F, DC-9-11, DC-9-51… ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 13 (13 by airframe model, 0 by engine model) - Makers: Mcdonnell Douglas 8, Douglas 5 Models with the most aircraft: - [Mcdonnell Douglas DC-9-15F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-15f): 3 aircraft (airframe model) - [Mcdonnell Douglas DC-9-33F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-33f): 3 aircraft (airframe model) - [Douglas DC9-15](https://openairdocs.org/model/douglas-dc9-15): 1 aircraft (airframe model) - [Douglas DC-9-15F](https://openairdocs.org/model/douglas-dc-9-15f): 1 aircraft (airframe model) - [Douglas DC-9-21](https://openairdocs.org/model/douglas-dc-9-21): 1 aircraft (airframe model) - [Douglas DC-9-32F](https://openairdocs.org/model/douglas-dc-9-32f): 1 aircraft (airframe model) - [Mcdonnell Douglas DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32): 1 aircraft (airframe model) - [Mcdonnell Douglas DC-9-32F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32f): 1 aircraft (airframe model) - [Douglas DC-9-33F](https://openairdocs.org/model/douglas-dc-9-33f): 1 aircraft (airframe model) All 9 models: https://openairdocs.org/ad/87-14-07-R1/models.md Every aircraft: https://openairdocs.org/ad/87-14-07-R1/aircraft.md ## Related documents - [AD 94-03-01](https://openairdocs.org/ad/94-03-01) (historical): Maintenance Inspection Program · McDonnell Douglas DC-9-11, DC-9-12, DC-9-13 and 15 more. Effective Mar 14, 1994. Supersedes this AD Its text cites no advisory circulars or STCs. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.