AD 79-21-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bendix Energy Controls Division | Fuel Injection Systems | Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems |
Unsafe Condition
Failure of the lock nut to properly engage and crimp the stem could result in fuel flow cutoff to the engine and subsequent loss of power.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the lock nut for proper engagement and crimp the stem in accordance with the applicable Bendix Energy Controls Division Service Bulletins (RS-68, RS-69, or RS-70).
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Compliance Time
within the next twenty-five (25) hours of aircraft time in service, or within the next thirty (30) calendar days from the effective date of this AD, whichever occurs first
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Affected Aircraft
Bendix Energy Controls Division Fuel Injection Systems with specified model and parts list numbers, installed on Lycoming and Continental engine models including IO-320 Series, IO-360 Series, TSIO-520-L, and others as listed.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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