AD 97-17-05
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
The gas generator case rear drain port may permit fluid to exit through the port and accumulate in the nacelle, resulting in a possible hazardous situation such as a nacelle fire caused by fluid leaking from the gas generator case drain ports.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the two gas generator case drain ports to ensure they are connected to drain lines or capped in accordance with PWC Service Information Letter No. PW100-003. Compliance must be accomplished within 10 hours time in service after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 10 hours time in service after the effective date of this AD
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Affected Aircraft
Pratt & Whitney Canada PW118, PW118A, PW118B, PW119B, PW119C, PW120, PW120A, PW121, PW121A, PW123, PW123B, PW123C, PW123D, PW123E, PW124B, PW125B, PW126A, PW127, PW127E, and PW127F series turboprop engines installed on but not limited to specific aircraft models.
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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