# SDR 98ZZZX4111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N117BK](https://openairdocs.org/aircraft/N117BK), registered now
- Make and model: Bolkms BK117B1
- Aircraft serial: 7229
- Engine: Lyc LTS101750B1
- 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: 1,317 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/98ZZZX4111

## Discrepancy

ROTOR ASSY FAILED SB LT101-72-10-0153 (FAILED Q-ROTOR INSPECTION).  EXCESSIVE IBPT BLADE SHIFT.  REPLACED WITH USED UNIT, CORRECTED PROBLEM.  PART TC: 1,730.6.

---
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.
