# SDR WI5R2015032500001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2015
- Submitted: March 25, 2015
- Operation: General aviation
- Aircraft: [N53NW](https://openairdocs.org/aircraft/N53NW), registered now
- Make and model: Cessna 525A
- Registry model: [Cessna 525A](https://openairdocs.org/model/cessna-525a) (OpenAirDocs)
- Aircraft serial: 0053
- Engine: Wilint FJ443A
- Engine time: 3,699 hours, 3,141 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blade
- Condition: Missing
- Location: Engine
- Part time: 3,699 hours, 3,141 cycles
- Stage of operation: TX
- How discovered: B
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WI5R2015032500001

## Discrepancy

DURING OPERATION A "HOOTING" SOUND WAS PRESENT FROM IDLE THOUGH MCT POWER SETTING.  A FIELD BORESCOPE INSPECTION REVEALED 1 OF THE IP COMPRESSOR BLADES HAD LIBERATED.  THE REPAIR STATION INVESTIGATION HAS CONFIRMED THE FIELD FINDINGS. THERE WAS NO EVIDENCE OF UPSTREAM FOREIGN OBJECT DAMAGE (FOD).

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