# SDR GUU2004F00040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2004
- Submitted: December 7, 2004
- Operation: Air carrier
- Aircraft: N81535
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE147
- Engine: Pwa PT6A67D
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Blades
- Part number: 3044700
- Condition: Failed
- Location: Rt Engine
- Part time: 17,351 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GUU2004F00040

## Discrepancy

DURING POST FLIGHT WALK-AROUND, FOUND A HOLE IN NR 2 ENGINE IB EXHAUST STACK.  DEMATED POWER SECTION FROM GAS GENERATOR AND DETERMINED THAT POWER TURBINE BLADES WERE BROKE OFF AT THE BLADE ROOT.  POWER SECTION HAS INTERNAL DAMAGE.  REPLACED RT POWER SECTION MODULE.  POWER ASSURANCE RUN AND LEAK CHECK COMPLIED WITH.  ROUTED FAILED UNIT FOR FURTHER ANALYSIS AND REPAIR.  NOTE:  SUSPECT NR 2 PT BLADE FAILURE.

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