# SDR AALA202509055091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2025
- Submitted: September 5, 2025
- Operation: Air carrier
- Aircraft: [N155NN](https://openairdocs.org/aircraft/N155NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6940
- Aircraft time: 29,529 hours, 11,707 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake Sys
- Condition: Faulted
- Location: Zone 700
- 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/AALA202509055091

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT TWICE WHEN COMING TO A STOP THE BRAKES ARE GRABBING AND JOLTING THE AIRCRAFT.  1ST TIME WAS DEPARTING DFW AND WHICH WAS CONFIRMED UPON LANDING IN PHX WHEN COMING TO A STOP EXITING THE RUNWAY. MAINTENANCE PERFORMED TSM 32-42-00-810-912A AND INSPECTED THE BRAKE ASSEMBLY WITH NO DEFECTS NOTED. MAINTENANCE PERFORMED NORMAL AND ALTERNATE BRAKE BLEEDING PER MM 32-42-00-870-001A.

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