AD 2004-24-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Allison | Engine Company | Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) (RRC) 250-B and 250-C Series Turboshaft and Turboprop Engines |
Unsafe Condition
Collapse of the fuel nozzle screen due to fuel contamination, leading to engine power loss and uncommanded engine shutdown.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the fuel nozzle screen for contamination within 150 operating hours after the effective date. If contamination is found, inspect and clean the entire aircraft fuel system before further flight. Replace the fuel nozzle with a new design fuel nozzle at the next fuel nozzle overhaul or by June 30, 2006, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 150 operating hours after the effective date for the initial inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Corporation (formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C series turboshaft and turboprop engines, including those used on Sikorsky Model S-76A helicopters.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.