# AD 82-21-01: Throttle Control Cable - Type: Airworthiness directive - Status: Current - Products: Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and DC-9-87 (MD-87) - Effective: October 21, 1982 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Large airplane - Amendment: 39-4471 - Registered aircraft: 86 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/81632096E5362BCD862569F20069ADC2.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/82-21-01 ## The airworthiness directive 82-21-01 MCDONNELL DOUGLAS: Amendment 39-4471. Applies to McDonnell Douglas Model DC-9-80 series airplanes, Fuselage Number 924 through 1011, 1013 through 1022, 1025 through 1035, 1043 through 1055, and 1061, certificated in all categories. Compliance required as indicated unless previously accomplished. To prevent failure of the throttle push-pull control cable, accomplish the following: A. Within 300 hours after the effective date of this AD, perform a one-time pull check of the throttle push-pull control cable on both engines in accordance with McDonnell Douglas DC-9 Super 80 Alert Service Bulletin A76-38 dated July 22, 1982, Revision 1 dated July 27, 1982, or later revisions approved by the Manager, Los Angeles Area Aircraft Certification Office, FAA Northwest Mountain Region. B. If the force is above the service bulletin limits and/or the push-pull control does not move smoothly, determine cause for roughness or binding and repair accordingly. If cause is isolated to cable blade element replace the throttle control cable assembly with a serviceable item. CAUTION: USE EXTREME CARE WHEN WORKING WITH ENGINE PUSH-PULL CABLES. DO NOT BEND CABLE IN RADIUS SMALLER THAN 7-INCHES (18CM) MINIMUM OR DAMAGE TO CABLE WILL RESULT. NOTE: Cable has a flat internal sliding ribbon and will bend in one direction only. 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. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Los Angeles Area Aircraft Certification Office, FAA Northwest Mountain Region. NOTE: One alternate means of compliance is specified in Pacific Southwest Airlines (PSA) Engineering Specification DC-9-76-1 dated May 14, 1982, or Revision A, dated May 25, 1982. The manufacturer's specifications and procedures identified and described inthis directive are incorporated herein 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 these 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, C1-750 (54-60). These documents also may be examined at FAA Northwest Mountain Region, 17900 Pacific Highway South, C-68966, Seattle, Washington 98168, or Los Angeles Area Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California 90808. This Amendment becomes effective October 21, 1982. ## 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 4 of 25 models: DC-9-81 (MD-81), DC-9-83 (MD-83), DC-9-87 (MD-87), DC-9-82 (MD-82) ## 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: 86 (86 by airframe model, 0 by engine model) - Makers: Mcdonnell Douglas 85, Douglas 1 Models with the most aircraft: - [Mcdonnell Douglas DC-9-83(MD-83)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-83-md-83): 49 aircraft (airframe model) - [Mcdonnell Douglas DC-9-82(MD-82)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82): 22 aircraft (airframe model) - [Mcdonnell Douglas DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87): 13 aircraft (airframe model) - [Douglas DC-9-83](https://openairdocs.org/model/douglas-dc-9-83): 1 aircraft (airframe model) - [Mcdonnell Douglas DC-9-87 (MD-87)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87-md-87): 1 aircraft (airframe model) All 5 models: https://openairdocs.org/ad/82-21-01/models.md Every aircraft: https://openairdocs.org/ad/82-21-01/aircraft.md 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.