AD 2004-05-03

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes

AD Number
2004-05-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
2003-NM-122-AD
FR Citation
(Federal Register: February 27, 2004 (Volume 0, Number 0))

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-9-81 (MD-81) Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes
aircraft The Boeing Company DC-9-82 (MD-82) Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes
aircraft The Boeing Company DC-9-83 (MD-83) Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes
aircraft The Boeing Company DC-9-87 (MD-87) Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes
aircraft The Boeing Company MD-88 Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes
aircraft The Boeing Company MD-90-30 Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; Model MD-88 Airplanes; and Model MD-90-30 Airplanes

Unsafe Condition

Failure of the shock strut cylinders of the main landing gears (MLGs) due to cracking, which could result in collapse of the MLGs and consequent reduced controllability during landing.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Conduct repetitive inspections to detect cracking of the shock strut cylinders of the left and right main landing gears. Replace any cracked shock strut cylinder with a serviceable part.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88, and MD-90-30 airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.