AD Amdt-39-10728
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Textron Lycoming Fuel Injected Reciprocating Engines |
| engine | Lycoming | Fuel Injected Reciprocating | Airworthiness Directives; Textron Lycoming Fuel Injected Reciprocating Engines |
Unsafe Condition
Inflight engine fires caused by leaking rotary fuel pumps
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct initial and repetitive torque check inspections of pump relief valve attaching screws. If torque remains within acceptable values after two inspections, repetitive inspections may be terminated.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Textron Lycoming fuel injected reciprocating engines with certain Crane/Lear Romec 'AN' rotary fuel pumps installed
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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