AD 79-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bendix Energy Controls Division | Fuel Injection Units | Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To All Model No. RSA-5AD1, P/N's 2524145-8 and 2524145-9 Fuel Injector Units |
Unsafe Condition
The regulator stem and lock nut on the Bendix RSA-5AD1 fuel injector units (P/N 2524145-8 and 2524145-9) may have an incorrect number of threads extending beyond the lock nut, leading to potential fuel flow discrepancies or failure of the fuel injector system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the regulator stem and lock nut, and accomplish instructions in Bendix Service Bulletin RS-68 or FAA-approved equivalent based on the number of threads extending beyond the lock nut.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the next twenty-five (25) hours of aircraft time in service, or within the next thirty (30) calendar days from the date of this AD, whichever occurs first.
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Affected Aircraft
Bendix Energy Controls Division Model No. RSA-5AD1 fuel injector units with P/N's 2524145-8 and 2524145-9.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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