AD Amdt-39-11177
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | Various | Airworthiness Directives; McDonnell Douglas Model DC-9 and C-9 (Military) Series Airplanes |
Unsafe Condition
Fatigue cracking of fuselage frames and longerons 16R and 17R above the forward lower cargo door, which could result in reduced structural integrity.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fuselage frames and longerons 16R and 17R for fatigue cracking; repair if necessary; modify fuselage frames and longerons if necessary; and conduct follow-on repetitive inspections to detect fatigue cracking of the skin adjacent to the modification.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas Model DC-9 and C-9 (military) series airplanes, as specified in the referenced AD.
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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