AD Amdt-39-11077

Recurring final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes

AD Number
Amdt-39-11077
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-292-AD
FR Citation
64 FR 13330

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9-80 Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes

Unsafe Condition

Fatigue cracking and subsequent fracturing of the shock strut cylinder of the main landing gear (MLG).

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

Required Actions

Inspect the shock strut cylinder of the main landing gear (MLG) for fatigue cracking. Replace any cracked shock strut cylinder with a serviceable part. Install brake line hydraulic restrictors on the MLG brake systems, which, if accomplished, terminates the repetitive inspections.

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 DC-9-80 series airplanes and Model MD-88 airplanes.

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

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

View Official Source ↗ Find More ADs for McDonnell Douglas DC-9-80

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Amdt-39-11428

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