# SDR SWAA2014061128959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2014
- Submitted: June 11, 2014
- Operation: Air carrier
- Aircraft: [N462WN](https://openairdocs.org/aircraft/N462WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32466
- Aircraft time: 36,254 hours, 21,112 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: O-Ring
- Part number: 274N10513
- Condition: Damaged
- Location: Brake Valve
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2014061128959

## Discrepancy

AIR TURN BACK.  B SYS HYD FAILURE IN CLIMB.  R & R O RING ON ALT BRAKE VLV IAW MM.

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