# SDR DALA2026090805017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2026
- Submitted: September 8, 2026
- Operation: Air carrier
- Aircraft: [N335NB](https://openairdocs.org/aircraft/N335NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1662
- Aircraft time: 62,477 hours, 32,605 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Piston
- Part number: 21684
- Part serial: DL1306
- Condition: Intermittent
- Location: Nr 4 Brake
- Part time: 42,992 hours, 21,943 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/DALA2026090805017

## Discrepancy

ON TAXI OUT CA RIGHT BRAKE PEDAL CHATTERED AND THEN WENT TO THE FLOOR. AFTER RETURNING TO GATE NOISE FROM PREVIOUS FLIGHT RETURNED. C/A: T/S IAW A319 TSM 32-42-00-810-841-A & TSM 32-42-00-810-912-A. FOUND #4 BRAKE PISTON AT 1 O'CLOCK POSITION INTERMITTENTLY GRABBING WITH BRAKES OFF AFTER CYCLING. R & R #4 MLG BRAKE ASSY IAW A319 AMM 32-42. OPS & LEAK CHECK GOOD. PERFORMED A/C BRAKE BLEEDING PROCEDURE IAW A319 AMM 32-42 WIP. PER MCC REQUEST PERFORMED A/C MAINT TAXI CHECK AS REQUIRED. NO DEFECTS NOTED. A/C OKAY FOR SVC. (LP: 9586502, AIRCRAFT WAS GROUNDED)

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