# SDR AALA202508082851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2025
- Submitted: August 8, 2025
- Operation: Air carrier
- Aircraft: [N454AL](https://openairdocs.org/aircraft/N454AL), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10785
- Aircraft time: 13,732 hours, 3,694 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Part number: C20534100
- Part serial: 14828
- Condition: Damaged
- Location: Zone 700
- Part time: 9,997 hours, 3,227 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/AALA202508082851

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT THE BRAKES WERE GRABBING AND CHATTERING, ESPECIALLY LEFT SIDE. SHAKING THE AIRFRAME AS WE TRIED TO TAXI EVEN WITH FEET ON THE FLOOR. MAINTENANCE FOUND THE #1 BRAKE ASSEMBLY WAS DAMAGED AND REPLACED IT PER AMM 32-42-27.

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