# SDR DXTA200500674

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2005
- Submitted: April 13, 2005
- Operation: Air carrier
- Aircraft: [N374QS](https://openairdocs.org/aircraft/N374QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600475
- Aircraft time: 6,228 hours, 5,081 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: B-Nut
- Condition: Loose
- Location: Park Brake Valve
- Stage of operation: LD
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200500674

## Discrepancy

F/O'S BRAKES (LEFT AND RIGHT) FEELS SPONGY.  CAPT'S BRAKES ARE OK.  ALSO, IF YOU PUMP THE F/O'S BRAKES, BRAKES COME UP TO HAVING PRESSURE.  REMOVED COCKPIT AND DROP AISLE CABIN FLOORBOARDS FOR BRAKE LINE & COMPONENT INSPECTION.  FOUND PARKING BRAKE VALVE LEAKING AT B-NUTS.  RETORQUED B-NUTS AND LEAK CHECK GOOD.  SERVICED BRAKE RESERVOIR.  CLOSED FLOORBOARDS AND REINSTALLED SEATS.  MAINT C/W IAW 560MM CHP 32-42-03.

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