AD 92-17-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Canada Corp. | PW123 | PRATT & WHITNEY CANADA Models PW123, PW124B, PW125B, and PW126A Engines |
| engine | Pratt & Whitney Canada Corp. | PW124B | PRATT & WHITNEY CANADA Models PW123, PW124B, PW125B, and PW126A Engines |
| engine | Pratt & Whitney Canada Corp. | PW125B | PRATT & WHITNEY CANADA Models PW123, PW124B, PW125B, and PW126A Engines |
| engine | Pratt & Whitney Canada Corp. | PW126A | PRATT & WHITNEY CANADA Models PW123, PW124B, PW125B, and PW126A Engines |
Unsafe Condition
Large engine torque variations and a subsequent aircraft asymmetric thrust condition.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a new or reworked fuel pump in accordance with PWC Service Bulletin 20946R2, Revision 2. A shop visit is defined as engine induction into a maintenance facility for maintenance. Alternative methods may be approved by the FAA Manager, Engine Certification Office.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At the next shop visit or within 12 months from the effective date of this AD, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Canada PW123, PW124B, PW125B, and PW126A engines installed on DeHavilland DHC-8 Series 300, Canadair CL-215T, Aerospatiale ATR-42, ATR-72, Fokker 50, and British Aerospace ATP aircraft.
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.