# SDR HEEA979138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N81992
- Make and model: Bolkms BO105S
- Aircraft serial: S827
- Engine: Allsn 250C20B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Wheel
- Part number: 6886407
- Condition: Defective
- Location: Turb 1st Stage
- Part time: 947 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/HEEA979138

## Discrepancy

TURBINE REMOVED DUE TO METAL IN OIL AND HIGH CYCLED #1 AND #2 WHEELS.  UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING:  MINOR SULFIDATION ON 75% OF TRAILING EDGE OF WHEEL. SCRAPPED #1 WHEEL.

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