# SDR DXTA2010012703957

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2010
- Submitted: January 27, 2010
- Operation: Air carrier
- Aircraft: [N318QS](https://openairdocs.org/aircraft/N318QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600418
- Aircraft time: 10,802 hours, 8,863 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Part number: 991205018
- Part serial: 0964
- Condition: Weak
- Location: Mlg
- Part time: 4,426 hours, 3,621 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: S
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2010012703957

## Discrepancy

COPILOT SIDE, RT BRAKE PEDAL GOES SOFT DURING TAXI. AFTER PEDAL WAS ALMOST TO THE FLOOR, RELEASED PRESSURE, AND BRAKING WAS RESTORED. THIS HAPPENED 5 TIMES ON A 2 MILE TAXI.  R & R COPILOTS RT MASTER CYLINDER IAW MM CHP 32-42-01. BLEED SYS IAW MM CHP 32-42-20.  BRAKE SYS, OPS AND LEAK CHECKS GOOD.

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