# SDR 96ZZZX842

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N511AB](https://openairdocs.org/aircraft/N511AB), registered now
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- Aircraft serial: 550299
- Engine: Pwa JT15D4
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Antirotate Ring
- Part number: 310463301
- Condition: Failed
- Location: Engine
- 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/96ZZZX842

## Discrepancy

AFTER ENGINE START, ENGINE SOUNDED STRANGE (LIKE VACUUM CLEANER).  TROUBLESHOT AND SUSPECTED INTERNAL DAMAGE.  ENGINE REMOVED AND SENT FOR OVERHAUL.  FOUND THE ANTI-ROTATION RING HAD FAILED.

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