AD Amdt-39-10491

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model MD-11 and MD- 11F Series Airplanes

AD Number
Amdt-39-10491
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-NM-126-AD
FR Citation
63 FR 20066

Applicability

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

Unsafe Condition

Inadequate clearance between the fuel feed pipe and the pneumatic sense line heater tape could result in a hole in the fuel feed pipe caused by electrical arcing and consequent fuel leakage and possible ignition of the fuel vapors.

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

Required Actions

Open the circuit breaker of the pneumatic sense line heater tape, install an inoperative ring, coil and stow the electrical wire to the circuit breaker. An optional inspection may be performed to deactivate the heater tape.

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 MD-11 and MD-11F series airplanes as specified in the 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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