# SDR AALA201912269018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2019
- Submitted: December 27, 2019
- Operation: Air carrier
- Aircraft: [N998AN](https://openairdocs.org/aircraft/N998AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7509
- Aircraft time: 10,004 hours, 3,785 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Low
- Stage of operation: TX
- 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/AALA201912269018

## Discrepancy

AIRCRAFT WAS GROUNDED: INBOUND FLIGHT CREW REPORTED BRAKES WERE GRABBING, SPONGY, AND PULSATING PRIOR TO CYCLING THE ANTI SKID SWITCH.  ALSO FOUND THE BRAKE TEMPS AS FOLLOWS #1 - 155, #2 -  170, #3 - 340, #4 - 30. MAINTENANCE SERVICED GREEN HYD SYSTEM IAW AMM 12-12-29. ACCOMPLISHED BRAKE SYSTEM BLEED IAW AMM 32-42-00.

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