# SDR CA980928009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Cvac 340CVAC
- Engine: Allsn 501D13D
- Propeller: Allsn A6441FN606
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: O-Ring
- Condition: Damaged
- Location: Nr 1 Engine
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980928009

## Discrepancy

(CAN) DURING CRUISE, THE NR 1 ENGINE EXPERIENCED AN RPM DROP, THE ENGINE WAS SHUT DOWN.  AIRCRAFT RETURNED TO POINT OF DEPARTURE.  POST-FLIGHT INSPECTION FOUND A FEATHER RESERVOIR OIL TRANSFER O-RING PINCHED.  THE O-RING WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.

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