# SDR MTNA201404120001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2014
- Submitted: April 14, 2014
- Operation: Air carrier
- Aircraft: [N800FX](https://openairdocs.org/aircraft/N800FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 336
- Aircraft time: 34,473 hours, 37,859 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Condition: Failed
- Location: Brakes
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA201404120001

## Discrepancy

DURING TAXI, THE COPILOT'S LT BRAKE PEDAL BOTTOMS OUT WITH MINIMAL BRAKE PRESSURE. THE MECHANIC REPLACED THE MASTER CYLINDER IAW JIC 32-42-13, RAI 1000.  THE SYSTEM CHECKED GOOD AND THE ACFT WAS RETURN TO SERVICE.

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