# SDR 98ZZZX4803

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N91070
- Make and model: Bolkms BO105C
- Aircraft serial: S145
- Engine: Allsn 250C20
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Rotor
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX4803

## Discrepancy

NR 2 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE IN CRUISE.  LANDED WITHOUT INCIDENT.  OIL LEVEL ONE AND ONE-HALF QUARTS LOW ON OIL.  NO LEAKS NOTED.  RE-SERVICED AND RETURNED TO SERVICE AFTER PENALTY RUN AND CHECK.  FOLLOW-UP CHECK REVEALED ENGINE OIL CONSUMPTION.  REPLACED TURBINE ROTOR ASSEMBLY.

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