AD Amdt-39-10877

Recurring final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9-31 Series Airplanes

AD Number
Amdt-39-10877
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-99-AD
FR Citation
63 FR 63134

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9-31 Airworthiness Directives; McDonnell Douglas Model DC-9-31 Series Airplanes

Unsafe Condition

Fatigue cracks found in the fuselage skin and doubler at the corners of the forward service door doorjamb, which could result in rapid decompression of the fuselage and reduced structural integrity.

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

Required Actions

Conduct a one-time visual inspection to determine if all corners of the forward service door doorjamb have been modified previously. Perform various follow-on repetitive inspections. Modify the doorjamb corners if necessary.

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-9-31 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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