# SDR 2011F00029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2010
- Submitted: February 6, 2011
- Operation: Air carrier
- Aircraft: [N14TU](https://openairdocs.org/aircraft/N14TU), registered now
- Make and model: Lear 60LEAR
- Aircraft serial: 026
- Aircraft time: 5,186 hours, 3,090 cycles
- Engine: Pwa PW305A
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake Assy
- Part number: 9000242
- Part serial: FEB040165
- Condition: Damaged
- Location: Zone 700
- Part time: 256 hours, 213 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011F00029

## Discrepancy

BRAKE KEY JUMPED LAST KEYWAY ON THE WHEEL ASSY CAUSING THE BRAKE KEYWAY TO BRAKE OFF.  THIS CAUSED THE BRAKE ASSY TO BE DAMAGED.

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