AD 2004-05-18

Recurring final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model MD-90-30 Airplanes

AD Number
2004-05-18
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2001-NM-275-AD
FR Citation
69 FR 10915

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas MD-90-30 Airworthiness Directives; McDonnell Douglas Model MD-90-30 Airplanes

Unsafe Condition

Fatigue cracking of the main landing gear (MLG) piston, which could result in failure of the pistons, consequent damage to the airplane structure, and injury to flightcrew, passengers, or ground personnel.

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

Required Actions

Inspect the main landing gear (MLG) piston for fatigue cracking using fluorescent penetrant and magnetic particle inspections. Replace the MLG shock strut piston assemblies with new or serviceable improved assemblies. Revise the Airplane Flight Manual (AFM) as necessary.

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

Compliance Time

Within 50 flight hours after the effective date of this AD.

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

Affected Aircraft

McDonnell Douglas Model MD-90-30 airplanes with specific main landing gear (MLG) piston part numbers.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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