AD 2006-16-04
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
Discovery that several part numbers (P/Ns) of fuel nozzles were inadvertently left out of AD 2004-24-09, which could lead to sudden loss of engine power and uncommanded shutdown of the engine due to fuel contamination and collapse of the screen in the fuel nozzle.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the fuel nozzle screen for contamination. 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.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At the next fuel nozzle overhaul after the effective date of this AD.
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 specific models listed in Table 1 of the AD.
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.