# SDR AALA201705159029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2017
- Submitted: May 15, 2017
- Operation: Air carrier
- Aircraft: [N117UW](https://openairdocs.org/aircraft/N117UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1224
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Selector Valve
- Part number: C24703003
- Part serial: H1979
- Condition: Unserviceable
- Location: Brake System
- Part time: 48,409 hours, 16,963 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201705159029

## Discrepancy

AIRCRAFT NOT GROUNDED. PARKING BRAKE WON'T SET WITH BATTERY PWR. WILL ONLY SET WITH GROUND PWR ON.

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