# SDR 20010523CW004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2000
- Submitted: May 23, 2001
- Operation: Air carrier
- Aircraft: [N702FE](https://openairdocs.org/aircraft/N702FE), registered now
- Make and model: Fokker F.27MK 600
- Registry model: [Fokker F.27MK 600](https://openairdocs.org/model/fokker-f-27mk-600) (OpenAirDocs)
- Aircraft serial: 10350
- Propeller: Rotol R1934304
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Gasket
- Part number: 601046323
- Condition: Unserviceable
- Location: Prop Control
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010523CW004

## Discrepancy

PILOT REPORTED DROP IN RIGHT ENGINE OIL PRESSURE DURING CLIMB THROUGH 10,000 FT AFTER DEPARTURE FROM FSD.  NO EMERGENCY WAS DECLARED.  PILOT RETURNED AIRCRAFT TO FSD WHERE MAINTENANCE DISCOVERED A FAILED PROPELLER LOCK LIMIT SWITCH GASKET; CAUSING THE LOSS OF ENGINE OIL.  CORRECTIVE ACTION:  PROPELLER LOCK LIMIT SWITCH GASKET WAS REPLACED ENGINE RUNS WERE PERFORMED WITH UNSATISFACTORY RESULTS.  RIGHT ENGINE WAS REPLACED, GROUND RUNS COMPLETED, AIRCRAFT RETURNED TO SERVICE.

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