# SDR AALA202512160795

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2025
- Submitted: December 16, 2025
- Operation: Air carrier
- Aircraft: [N444UW](https://openairdocs.org/aircraft/N444UW), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10692
- Aircraft time: 15,745 hours, 4,315 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake Sys
- Condition: Weak
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202512160795

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LEFT BRAKE SPONGY AND REQUIRES SIGNIFICANTLY MORE PEDAL DEFLECTION FOR EQUAL BRAKING. PERFORMED NORMAL BRAKE BLEEDING ON NR 1 & 2 BRAKES, IAW AMM 32-42-00-870-001-A. FOUND AIR IN SYSTEM. CLEARED ALL AIR.

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