# SDR UALA2013061704194

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2013
- Submitted: July 2, 2013
- Operation: Air carrier
- Aircraft: N546UA
- Make and model: Boeing 757222
- Aircraft serial: 25367
- Aircraft time: 80,434 hours, 23,342 cycles
- Engine: Pwa PW2040
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Relay
- Condition: Failed
- Location: Park Brake
- Stage of operation: TX
- 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/UALA2013061704194

## Discrepancy

PARKING BRAKE FAILED TO RELEASE ON TAXI-IN WITH HANDLE DOWN.  REPLACED PARKING BRAKE SENSOR RELAY K419 AND OPS CHECKED PARKING BRAKE.  OPS CHECKED GOOD.

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