# SDR DALA2026071404131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2026
- Submitted: July 14, 2026
- Operation: Air carrier
- Aircraft: [N351NB](https://openairdocs.org/aircraft/N351NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1820
- Aircraft time: 54,770 hours, 28,759 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Selector Valve
- Condition: Faulted
- Location: Zone 700
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026071404131

## Discrepancy

DECLARED EMERGENCY DUE TO AN AUTO BRAKE FAULT WITH A NORMAL BRAKE SELECTOR VALVE (23GG) FAILURE MESSAGE.   REPLACED BRAKE SELECTOR VALVE 23GG. (LP: 9080424, AIRCRAFT WAS GROUNDED)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.