# SDR 99ZZZX4577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N118LL](https://openairdocs.org/aircraft/N118LL), registered now
- Make and model: Bolkms BK117A3
- Aircraft serial: 7097
- Engine: Lyc LTS101650B1
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Impeller
- Part number: 410102050
- Condition: Chafed
- Location: Compressor
- Part time: 597 hours
- 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/99ZZZX4577

## Discrepancy

HEAVY RUB ON IMPELLER AT AREA 2.421 INCH - 2.419 INCH DIAMETER.  REMOVED AND REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.