# SDR UALA2012102506128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2012
- Submitted: November 21, 2012
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 69,038 hours, 12,404 cycles
- Engine: Pwa PW4077
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: O-Ring
- Condition: Leaking
- Location: Rt Brake
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012102506128

## Discrepancy

RIGHT BRAKE SHUTTLE VALVE LEAKING.  REPLACED O-RING MOST FORWARD LOWER UNION :RIGHT ANTI-SKID SHUTTLE VALVE.  OPERATED SYSTEM, NO LEAK.

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