# SDR AALA201901289044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2019
- Submitted: January 28, 2019
- Operation: Air carrier
- Aircraft: [N680AW](https://openairdocs.org/aircraft/N680AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2630
- Aircraft time: 44,722 hours, 17,085 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Part number: C245920001
- Condition: Leaking
- Location: Brakes
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201901289044

## Discrepancy

LEFT BRAKE PEDAL SPONGY AND REQUIRES EXCESSIVE PEDAL TRAVEL.  THE AIRCRAFT FAILED AN ALTERNATE BRAKE CHECK. LEFT SIDE.  SUSPECT ALTERNATE/ AUX BRAKE FLUID RESERVOIR REQUIRES REFILLING. THE AIRCRAFT WAS GROUNDED.  LEFT AND RIGHT BRAKE CONTROL MASTER CYLINDERS REPLACED IAW MM 32-43-12.

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