AD Amdt-39-9629

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9 and Model DC-9-80 Series Airplanes, Model MD-88 Airplanes, and C-9 (Military) Series Airplanes

AD Number
Amdt-39-9629
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 95-NM-185-AD
FR Citation
61 FR 25557

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9 and Model DC-9-80 Airworthiness Directives; McDonnell Douglas Model DC-9 and Model DC-9-80 Series Airplanes, Model MD-88 Airplanes, and C-9 (Military) Series Airplanes

Unsafe Condition

Water accumulation in the slant pressure panel area could result in failure of the flaps or landing gear to properly extend or retract.

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

Required Actions

Modify the slant panel insulation blankets on the slant pressure panel of the main landing gear. Conduct a visual inspection of the left and right seal assemblies of the overwing emergency exit door and replace any discrepant door seal.

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

Affected Aircraft

McDonnell Douglas Model DC-9 and DC-9-80 series, Model MD-88, and C-9 military series 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

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