AD Amdt-39-11199

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 727 Series Airplanes

AD Number
Amdt-39-11199
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-121-AD
FR Citation
64 FR 33394

Applicability

TypeManufacturerModelDetails
aircraft Boeing 727 Airworthiness Directives; Boeing Model 727 Series Airplanes

Unsafe Condition

Severe wear of in-tank fuel boost pump wiring and arc-through of the surrounding conduit can lead to fuel leakage and potential fuel tank explosion.

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

Required Actions

Inspect the boost pump dry bay for fuel leakage through an arced-through conduit and take corrective action as necessary. Perform repetitive detailed visual inspections of the in-tank fuel boost pump wiring to detect chafing, electrical arcing, or conduit wall arc-through, and take corrective action. Install sleeving over the in-tank fuel boost pump wires to protect against chafing.

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

All Boeing Model 727 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Boeing 727

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