# SDR MTNA20230127001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2023
- Submitted: January 30, 2023
- Operation: Air carrier
- Aircraft: [N806FX](https://openairdocs.org/aircraft/N806FX), 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 time: 39,831 hours, 40,700 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Part number: 10025111Y00
- Part serial: 829
- Condition: Faulted
- Location: Brakes
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA20230127001

## Discrepancy

ON TAXI TO RAMP IT WAS OBSERVED THE CAPTAINS RIGHT SIDE BRAKE WAS INEFFECTIVE. REPLACED CAPTAINS BRAKE MASTER CYLINDER. OPS CHECK GOOD. NO LEAKS NOTED.

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