AD Amdt-39-10775

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9-10, -20, - 30, -40, and -50 Series Airplanes and C-9 (Military) Airplanes

AD Number
Amdt-39-10775
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 96-NM-244-AD
FR Citation
63 FR 50487

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9-10 Airworthiness Directives; McDonnell Douglas Model DC-9-10, -20, - 30, -40, and -50 Series Airplanes and C-9 (Military) Airplanes

Unsafe Condition

Fatigue cracking has occurred at the frame-to-longeron attachment area, frame-to-skin shear clips at certain fuselage stations, and fuselage bulkhead at the front spar of the engine pylon in the aft fuselage.

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

Required Actions

Perform visual and eddy current inspections to detect cracking in specified areas; repair if necessary. Complete required modifications to terminate inspection requirements.

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-9-10, -20, -30, -40, -50 series and C-9 military 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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