# SDR DALA2021010400032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2021
- Submitted: January 4, 2021
- Operation: Air carrier
- Aircraft: [N3731T](https://openairdocs.org/aircraft/N3731T), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30775
- Aircraft time: 59,441 hours, 28,107 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Selector Valve
- Condition: Leaking
- Location: Mlg Brakes
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021010400032

## Discrepancy

DE/HYD, DUE TO LOSS OF 'B' HYDRAULIC SYSTEM QUANTITY/FLUID.  CORRECTIVE ACTION: MAINTENANCE REPLACED THE ALTERNATE BRAKE SELECTOR VALVE.

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