# SDR 98ZZZX4113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N911BY](https://openairdocs.org/aircraft/N911BY), registered now
- Make and model: Bolkms BK117A4
- Aircraft serial: 7127
- Engine: Lyc LTS101650B1
- System (JASC): [7240 · Turbine Engine Combustion Section](https://openairdocs.org/jasc/7240)
- Part: Rotor Assy
- Part number: 414129001
- Condition: Damaged
- Location: Power Turbine
- Part time: 1,397 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/98ZZZX4113

## Discrepancy

FAILED SB LT101-72-10-0153 (Q-ROTOR INSPECTION).  EXCESSIVE IBPT BLADE SHIFT.  REPLACED WITH USED UNIT, CORRECTED PROBLEM.  PART TC:  3,518.5.

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