# SDR 2001F00691

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2001
- Submitted: December 4, 2001
- Operation: Air carrier
- Aircraft: [N625MB](https://openairdocs.org/aircraft/N625MB), registered now
- Make and model: Bolkms BK117A4
- Aircraft serial: 7108
- Engine: Lyc LTS101650B1
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Bearing
- Part number: 430151801
- Part serial: 000633104397
- Condition: Damaged
- Location: Engine
- Part time: 257 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001F00691

## Discrepancy

FOUND EXCESSIVE PITTING ON CYLINDER ROLLER BEARING NR 2.  REPLACED WITH NEW UNIT, CORRECTED PROBLEM.  (M)

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