# SDR TRBA201124103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2011
- Submitted: September 1, 2011
- Operation: Air carrier
- Aircraft: N431AT
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 431
- Aircraft time: 29,895 hours, 32,813 cycles
- Engine: Pwa PW127
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Metering Valve
- Condition: Failed
- Location: Brake Assy
- 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/TRBA201124103

## Discrepancy

CAPT LT BRAKE, VERY SOFT GOES TO THE FLOOR, DOES STOP THE ACFT.  REMOVED AND REPLACED METERING VALVE IAW JIC 32-42-51-RAI-10000, AND PERFORMED OP'S CHECK IAW 32-42-00-OPT-10000, NO FAULTS NOTED.

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