AD 98-14-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Canada Corp. | PW118 | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW118A | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW118B | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW119B | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW119C | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW120 | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW120A | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW121 | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW121A | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
| engine | Pratt & Whitney Canada Corp. | PW123 | Airworthiness Directives; Pratt & Whitney Canada PW100 Series Turboprop Engines |
Unsafe Condition
Fuel manifold transfer tubes, transfer tube lock plates, and fuel manifold drain tubes may develop fuel leaks, which can result in inflight engine shutdowns or fire warnings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove existing fuel manifold transfer tubes, transfer tube lock plates, and fuel manifold drain tubes per PWC SB 21077, Rev 8. Replace with improved components per applicable SBs (21077, 21516, 21549, 21373, 21364). Perform leak check before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Whichever occurs first following the AD effective date: next engine removal, next fuel nozzle change, or prior to November 30, 1998.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Canada PW118, PW118A, PW118B, PW119B, PW119C, PW120, PW120A, PW121, PW121A, PW123, PW123B, PW123C, PW123D, PW123E, PW124B, PW125B, PW126A, PW127, PW127E, PW127F series engines installed on Dornier 328, Fokker 50, British Aerospace ATP, Aerospatiale ATR42, ATR42-500, ATR72, Embraer EMB-120, Canadair CL215T, CL415, and DeHavilland Dash-8-100/-200/-300/-315.
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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