# SDR 96ZZZX2593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N869AC](https://openairdocs.org/aircraft/N869AC), registered now
- Make and model: Snias AS350B
- Aircraft serial: 1695
- Engine: Tmeca ARRIEL1B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Cover
- Part number: 0292507640
- Condition: Cracked
- Location: Module 3
- Part time: 518 hours
- 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/96ZZZX2593

## Discrepancy

ENGINE NOISE DURING START-UP AND SHUT-DOWN.  REMOVED AND DISASSEMBLED MO5, 4, AND 3.  FOUND COVER AND DEFLECTOR BROKEN AND RUBBING ON MO4 TURBINE DISC.  THIS IS 2ND TIME THIS ENGINE SERIAL NUMBER HAS HAD A COVER AND DEFLECTOR BROKEN.  SUBMITTER SUGGESTS A DIFFERENT STYLE COVER AND DEFLECTOR ABLE TO WITHSTAND ENGINE HEAT AND NORMAL VIBRATION LEVELS.

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