# SDR DALA2026012200490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2026
- Submitted: January 22, 2026
- Operation: Air carrier
- Aircraft: [N301NB](https://openairdocs.org/aircraft/N301NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1058
- Aircraft time: 66,777 hours, 35,111 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Selector Valve
- Part number: A25313002
- Part serial: H2565
- Condition: Faulted
- Location: Zone 700
- Part time: 77,574 hours, 36,599 cycles
- Stage of operation: TX
- 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/DALA2026012200490

## Discrepancy

BRAKES, AUTO BRAKE FAULT A SECOND TIME. LOST NORMAL BRAKING. HAD TO USE ACT BRAKING. DURING BRAKING THE ACFT JOLTED FWD. LOST BRAKES FOR 1-2 SECS,  GRABBING AGAIN.  DID NOT PULL TO EITHER SIDE.  TROUBLESHOT IAW TSM 32-42-00-810-849-A. WHEN ACFT ARRIVED AT GATE,  BSCU 1 GROUND SCANNING REPORT & LRU WIRING & BSCU TEST & NORM BRAKE TEST ALL FAULT SELECTOR VALVE (23GG)/LG HYD PIPE. NO LEAKS FOUND ON GREEN HYD SYS. RESERVOIR LVL OK. HYD BRAKE FILTER (2584GM) HAS NO CLOGGING INDICATION. STEP 4.A.(3) OF TSM REQ.  R & R OF BRAKE SELECTOR VALVE (23GG) IAW AMM 32-42.  PERFORMED BSCU SYSTEM TEST WITH NO DISCREPANCIES NOTED. (LP: 8574828)

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