AD Amdt-39-11416

final rule
Data completeness: 70%

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

AD Number
Amdt-39-11416
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-47-AD
FR Citation
64 FR 63178

Applicability

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

Unsafe Condition

Incidents of electrical fire during fueling due to a short circuit and overheating of a transient suppression diode.

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

Required Actions

Install a transient suppression diode in the wiring circuit of the refueling valve-to-float switch for certain airplanes. Replace the existing transient suppression diode with an improved diode for other airplanes. Conduct a functional test to verify proper installation and take corrective action if necessary.

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

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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