AD 81-10-10 R1

final rule
Data completeness: 70%

Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes

AD Number
81-10-10 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-9-11 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-12 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-13 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-14 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-15 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-15F Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-21 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-31 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-32 Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes
aircraft The Boeing Company DC-9-32 (VC-9C) Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series and Military C-9 Series Airplanes

Unsafe Condition

Fatigue cracking and possible structural failure of the forward galley service doors, part numbers 5910084 and 5910538, due to accumulated landings.

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

Required Actions

Perform an operational check and visual inspection for general condition of door, pan, seals, door stops, and set screws within 30 days after the effective date if not done in last 3,100 landings. Conduct close visual inspections per schedule based on accumulated landings, and install repairs or replacements if cracks exceed limits. Terminate with applicable preventative repairs or crack-specific repairs per specified service bulletins.

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

Compliance Time

Within the next 30 days after the effective date of this amendment, unless accomplished within the last 3,100 landings. Repeat inspections at intervals not exceeding 4,000 landings until terminating actions are accomplished.

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

Affected Aircraft

McDonnell Douglas Model DC-9 series and Military C-9 series airplanes, including DC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-21, DC-9-31, DC-9-32, and others as listed, certificated in all categories.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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