# SDR MTNA201407070002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2014
- Submitted: July 9, 2014
- Operation: Air carrier
- Aircraft: [N811FX](https://openairdocs.org/aircraft/N811FX), 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: 283
- Aircraft time: 29,110 hours, 31,155 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Filter
- Condition: Leaking
- Location: Brake Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA201407070002

## Discrepancy

DURING TAXI OUT,  COPILOTS LEFT BRAKE PRESSURE WAS INSUFFICIENT.  THE CREW TAXIED THE ACFT BACK TO THE RAMP.   REPLACED THE HYD ACOUSTIC FILTER AT 9GXA IAW ATR-72JIC 29-10-00 RAI 10080.  THE SYS CHECKED GOOD.  THE BRAKE LOW PRESSURE LINE WAS BLEED IAW JIC 32-42-00 BLD 10000.  THE NORMAL BRAKE SYS CHECKED GOOD.

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