# SDR 96ZZZX489

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Iae V2500A1
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bolt
- Part number: 34A0062
- Condition: Failed
- Location: Lpt Rotor
- Part time: 14,279 hours
- Stage of operation: IN
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX489

## Discrepancy

ENGINE WAS REMOVED FROM SERVICE DUE TO VIBRATION, DISASSEMBLY OF THE ENGINE REVEALED LPT GAS PATH DAMAGE.  INVESTIGATION DETERMINED SEVEN OF THIRTY-SIX, 6TH TO 7TH STAGE DISK BOLTS HAD FAILED.  PRELIMINARY ANALYSIS INDICATE THE BOLTS FAILED WITH THE CHARACTERISTICS OF A STRESS CORROSION MECHANISM.

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