# SDR YWYR20121020407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2012
- Submitted: October 20, 2012
- Operation: General aviation
- Aircraft: [N915KB](https://openairdocs.org/aircraft/N915KB), registered now
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- Aircraft serial: 421012
- Aircraft time: 1,731 hours
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Rotor
- Part number: 16402504
- Condition: Cracked
- Location: Brake Assy
- Part time: 1,731 hours
- 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/YWYR20121020407

## Discrepancy

BOTH MAIN WHEEL BRAKE ROTORS WERE FOUND TO BE CRACKED DURING TIRE REPLACEMENT.

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