# SDR HSYA2012041712

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2012
- Submitted: April 20, 2012
- Operation: Air carrier
- Aircraft: [N910FE](https://openairdocs.org/aircraft/N910FE), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: C208B0010
- Aircraft time: 9,872 hours, 13,863 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Part number: 26820011
- Part serial: 446
- Condition: Unknown
- Location: Brake System
- Part time: 1,307 hours, 2,335 cycles
- 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/HSYA2012041712

## Discrepancy

PILOT REPORTED DURING TAXI OUT, BRAKES BECAME UNRESPONSIVE & ACFT VEERED LEFT.  SHUTDOWN ACFT.   NO DAMAGE OR EVIDENCE OF ANY FLUID LEAKAGE PRESENT.   TROUBLESHOT BRAKE SYS, CHECKED BRAKE LINES, MASTER CYLINDERS, HYD RESERVOIRS & PERFORMED FUNCTIONAL CHECKS.  COULD NOT DUPLICATE MALFUNCTION.   R & R BRAKE MASTER CYLINDERS AND PERFORMED ALL FUNCTIONAL AND OPS CHECKS IAW MM 32-40-00.

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