# SDR HEEA968775

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N81982
- Make and model: Bolkms BO105S
- Aircraft serial: S818
- Engine: Allsn 250C20B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Nozzle Vames
- Part number: 23060403
- Condition: Burnt
- Location: Nr 1
- Part time: 1,614 hours
- Component: 6898735
- 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/HEEA968775

## Discrepancy

ENGINE REMOVED DUE TO CYCLED NR 1 AND NR 2 WHEELS.  UPON INSPECTION OF TURBINE PARTS NOTED: (1) ERODED ALL LEADING EDGE AND SULPHIDATION ON 17 OF THE NR 1 WHEEL BLADES.  (2) ERODED LEADING EDGE 11 AND BURNT TRAILING EDGE ON 7 OF THE NR 1 NOZZLE VANES.  PARTS SENT TO ALLISON ENGINE ON AFA NR 29359A FOR EVALUATION.  (RFSE 250-93-2)

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