# SDR AALA202610261478

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2026
- Submitted: October 26, 2026
- Operation: Air carrier
- Aircraft: [N556UW](https://openairdocs.org/aircraft/N556UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5244
- Aircraft time: 44,243 hours, 18,319 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Part number: C20534100
- Condition: Seized
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202610261478

## Discrepancy

AIRCRAFT WAS GROUNDED: FELT VIBRATION AFTER LANDING ALL THE WAY TO THE GATE - THE NUMBER 3 BRAKE WAS SHOWING 390 WHILE THE NUMBER 4 WAS SHOWING ONLY 40 - MORE POWER THAN USUAL WAS NEEDED TO TAXI - MAINTENANCE FOUND POSITION 3 BRAKE SEIZED AND DAMAGED RESULTING IN THE REPLACEMENT OF THE BRAKE ASSEMBLY PER AMM 32-42-27

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