AD Amdt-39-11018

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes

AD Number
Amdt-39-11018
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-50-AD
FR Citation
64 FR 4959

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-100 Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes

Unsafe Condition

Fuel system wiring routed to the fuel tanks may come into contact with adjacent wiring, potentially causing ignition of fuel vapors in the fuel tanks. Additionally, external ignition of fuel vapor exiting the fuel vent system could propagate a flame front into the fuel tanks.

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

Required Actions

Install components to provide shielding and separation of the fuel system wiring from adjacent wiring. Install flame arrestors and pressure relief valves in the fuel vent system.

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 737-100, -200, -300, -400, and -500 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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