AD 93-22-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | ATP | Airworthiness Directives; Jetstream Aircraft Limited (formerly British Aerospace) Model ATP Airplanes |
Unsafe Condition
Failure of the hydraulic selector valves (part numbers AIR44880-5 and AIR44882-6) in the emergency extension system for the landing gear could result in a gear-up landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove hydraulic selector valves part numbers AIR44880-5 and AIR44882-6 and install improved valves part numbers AIR46658-0 or AIR46660-0 within 3,375 landings after the effective date. Compliance may be adjusted with FAA approval.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 3,375 landings after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Jetstream Aircraft Limited (formerly British Aerospace) Model ATP airplanes, certificated in any category.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.