# SDR 2021FA0000137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2021
- Submitted: May 13, 2021
- Operation: General aviation
- Aircraft: [N454JH](https://openairdocs.org/aircraft/N454JH), registered now
- Make and model: Hughes 369E
- Registry model: [Hughes 369E](https://openairdocs.org/model/hughes-helicopters-369e) (OpenAirDocs)
- Aircraft serial: 0454E
- Aircraft time: 17,921 hours, 22,030 cycles
- Engine: Allsn 250C20B
- Engine time: 24,983 hours, 7,761 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Wheel
- Part number: M25010223
- Part serial: X6277340
- Condition: Binding
- Location: Engine
- Part time: 1,198 hours, 1,271 cycles
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000137

## Discrepancy

DURING MAINTENANCE THE MECHANICS DETERMINED THE FIRST STAGE TURBINE BLADES WERE RUBBING ON THE NOZZLE.ASSEMBLY REMOVED FROM ENGINE

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