AD Amdt-39-10889

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

AD Number
Amdt-39-10889
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-304-AD
FR Citation
63 FR 63402

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas MD-11 Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

Unsafe Condition

Reports of smoke emitting from the overhead panels in the cockpit area due to an electrical failure in the overhead dimmer control, caused by overheating of a printed circuit board capacitor, which could result in rupture of the capacitor and smoke in the flight compartment.

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

Required Actions

Inspect the part numbers of two dimmer controls for the overhead instrument panel light and circuit breaker lightplate. Replace dimmer controls with incorrect part numbers, modify and reinstall existing dimmer controls, or reinstall dimmer controls following modification by the part manufacturer.

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

Compliance Time

Within 50 flight hours after the effective date of this AD.

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

Affected Aircraft

McDonnell Douglas Model MD-11 series airplanes with dimmer controls for the overhead instrument panel light and circuit breaker lightplate.

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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