AD Amdt-39-16909

final rule
Data completeness: 70%

Airworthiness Directives; Lycoming Engines Reciprocating Engines

AD Number
Amdt-39-16909
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0691
FR Citation
77 FR 5167

Applicability

TypeManufacturerModelDetails
engine Lycoming Engines Reciprocating Airworthiness Directives; Lycoming Engines Reciprocating Engines

Unsafe Condition

Failed fuel injector tube assembly.

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

Required Actions

Inspect external fuel injector lines for fuel stains, cracks, dents, and bend radii under 5/8 inch. Remove and replace parts if necessary. Install fuel injector line support clamps as required.

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

Lycoming Engines model TIO-540-A series reciprocating engines, with serial numbers lower than 1931-61.

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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