# SDR CALA2015100194563

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2015
- Submitted: October 1, 2015
- Operation: Air carrier
- Aircraft: [N775UA](https://openairdocs.org/aircraft/N775UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26947
- Aircraft time: 81,576 hours, 14,077 cycles
- Engine: Pwa PW4077
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Condition: Malfunctioned
- Location: Brake System
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015100194563

## Discrepancy

PRECAUTIONARY EMER FOR BRAKE ACCUMULATOR PRESS LIGHT.  NO FAULTS FOUND IAW FIM.  REPLACED BRAKE SOURCE PRESS SWITCH.  PERFORMED LEAK CHECK & NO LEAKS.  OPERATIONS CHECKED & ALL INDICATIONS NORMAL.  NO MSGS DISPLAYED.

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