# SDR HEEA078253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2002
- Submitted: March 25, 2002
- Operation: General aviation
- Aircraft: [N116](https://openairdocs.org/aircraft/N116), registered now
- Make and model: Bell TH-57A
- Registry model: [Bell TH-57A](https://openairdocs.org/model/bell-th-57a) (OpenAirDocs)
- Aircraft serial: 162678
- Aircraft time: 12,162 hours
- Engine: Allsn 250C18A
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Nozzle
- Part number: 23007189
- Part serial: KD0061
- Condition: Failed
- Location: Turbine Section
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA078253

## Discrepancy

TURBINE REMOVED FOR OVERHAUL.  LOW AREA FLOW 10.17 CAUSE LOW POWER ON TEST CELL.  POWER WENT FROM -5.3 TO -7.0.  OVERHAULED NOZZLE, INSTALLED AND POWER WENT TO -3.

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