# SDR AALA202609069106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2026
- Submitted: September 7, 2026
- Operation: Air carrier
- Aircraft: [N472AN](https://openairdocs.org/aircraft/N472AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 12282
- Aircraft time: 6,685 hours, 1,830 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Part number: C20534100
- Part serial: 6218
- Condition: Locked
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202609069106

## Discrepancy

AIRCRAFT WAS GROUNDED: WHILE TAXIING OUT, POISTION 2 BRAKE INTERMITTENTLY LOCKED BUT ON RETURN BACK FROM TAXIWAY THE BRAKES NO LONGER WERE LOCKED - UPON ARRIVAL AT GATE, MAINTENANCE INSPECTED BRAKES NOTICED FILINGS AND SAID IT WAS COMING APART - MAINTENANCE REPLACED THE POSITION 2 MAIN LANDING GEAR BRAKE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK

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