AD 2003-20-06

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9-31 and DC-9-32 Airplanes

AD Number
2003-20-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2003-NM-61-AD
FR Citation
68 FR 57339

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas DC-9-31 and DC-9-32 Airworthiness Directives; McDonnell Douglas Model DC-9-31 and DC-9-32 Airplanes

Unsafe Condition

Fatigue cracking of the internal doublers and frame structure of the fuselage skin of the cockpit enclosure window sill, which could result in rapid decompression of the fuselage and consequent reduced structural integrity of the airplane.

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

Required Actions

Inspect for cracks of the cockpit enclosure window sill. Perform follow-on and corrective actions as applicable, in accordance with the approved service bulletin.

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

Compliance Time

Within the time specified in the approved service bulletin.

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

Affected Aircraft

McDonnell Douglas Model DC-9-31 and DC-9-32 airplanes, specifically manufacturer's fuselage numbers 0268, 0505, 1039, and 1046.

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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