# SDR 98ZZZX106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N158BK
- Make and model: Bolkms BK117A3
- Aircraft serial: 7058
- Engine: Lyc LTS101650B1
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Rotor Assy
- Part number: 414129001
- Condition: Failed
- Location: Power Turbine
- Part time: 1,529 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/98ZZZX106

## Discrepancy

ROTOR ASSY FAILED SB LT101-72-10-0153, Q-ROTOR = 12.36 GMIN2.  EXCESSIVE IBPT BLADE SHIFT.  REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 3,148.

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