# SDR WI5R.20180606

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2018
- Submitted: June 6, 2018
- 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: N9943H
- Make and model: Cirrus SF50
- Registry model: [Cirrus SF50](https://openairdocs.org/model/cirrus-design-sf50) (OpenAirDocs)
- Aircraft serial: 0007
- Aircraft time: 803 hours, 633 cycles
- Engine: Wilint FJ335A
- Engine time: 803 hours, 633 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Rotor
- Part number: 121305
- Part serial: HW32317
- Condition: Fractured
- Location: Ip
- Part time: 803 hours, 633 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WI5R.20180606

## Discrepancy

THE ACFT WAS SQUAWKED FOR A BANG NOISE DURING FLIGHT.  THE ENGINE WAS BORESCOPE INSPECTED AND FOUND TO HAVE A DAMAGED HPC ROTOR.  DISASSEMBLY OF THE ENGINE REVEALED A MISSING THIRRD STAGE IP BLADE.  HPC ROTOR WAS SECONDARY DAMAGE.

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