# SDR WI5R20151109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2015
- Submitted: November 9, 2015
- Operation: General aviation
- Filed by: [Williams International Co, LLC., repair station WI5R335J](https://openairdocs.org/faa-repair-station/WI5R335J/williams-international-co-llc.md) (OpenAirDocs)
- Aircraft: N18GA
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 0302
- Engine: Wilint FJ443A
- Engine time: 2,540 hours, 2,145 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Blade
- Condition: Missing
- Location: Engine
- Part time: 2,540 hours, 2,145 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WI5R20151109

## Discrepancy

DURING N1 ROTATION, A GRINDING NOISE WAS HEARD FROM THE FRONT OF THE ENGINE.  DISASSEMBLY REVEALED A 3RD STAGE IP ROTOR BLADE WAS MISSING.  THERE WAS NO EVIDENCE OF UPSTREAM FOREIGN OBJECT DAMAGE.  THE ROTOR HAS BEEN FLUORESCENT PENETRANT INSPECTED WITH NO OTHER NON-SECONDARY INDICATIONS NOTED.

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