# SDR AALA201709229007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2017
- Submitted: September 22, 2017
- Operation: Air carrier
- Aircraft: [N920US](https://openairdocs.org/aircraft/N920US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6490
- Aircraft time: 9,410 hours, 3,611 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Manifold
- Part number: D2904008800000
- Condition: Faulty
- Location: Brakes
- Stage of operation: AP
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201709229007

## Discrepancy

ON GEAR EXTENSION,  TRIPLE BRAKE INDICATOR ACC 3000 PSI, 6FT BRAKE 1000PSI, RIGHT BRAKE 2500. AT THAT POINT ECAM BRAKE ACTN BRK FAULT CAME ON.  REPLACED LEFT  HAD ALTERNATE BRAKE MANIFOLD ASSEMBLY.

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