# SDR HEEA979154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N3122G
- Make and model: Skrsky S76A
- Aircraft serial: 760232
- Engine: Allsn 250C30S
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Nozzle
- Part number: 23007213
- Condition: Cracked
- Location: Turb 1st Stage
- Component: 23035128
- 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/HEEA979154

## Discrepancy

ENGINE REMOVED DUE TO BROKEN STUD ON TURBINE MOUNT PAD.  TURBINE DISASSEMBLED DUE TO HIGH VIBRATION ON TEST CELL.  DISASSEMBLY INSPECTION REVEALED:  CRACKED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. INSTALLED A DALLAS AIRMOTIVE OVERHAULED #1 NOZZLE.

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