# SDR AALA201808219018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2018
- Submitted: August 21, 2018
- Operation: Air carrier
- Aircraft: [N994AN](https://openairdocs.org/aircraft/N994AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7407
- Aircraft time: 5,839 hours, 2,239 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Part number: S120534
- Part serial: 27A0430100001
- Condition: Faulty
- Location: Mlg
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201808219018

## Discrepancy

PRIOR TO LANDING AND AFTER GEAR EXTENSION,  BRAKES-ALTN BRK FAULT MESSAGE ILLUMINATED.  THE AIRCRAFT WAS GROUNDED.  REPLACED THE LEFT ALTERNATE BRAKE IAW AMM 32-43-35.   OPS CHECKED IAW AMM 32-43-00-710-001-A. NO LEAKS FOUND.

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