SDR DXTA200500674

Service difficulty report · B-Nut · Cessna 560CESSNA

Difficulty date: April 11, 2005
Submitted: April 13, 2005
Operation: Air carrier
Aircraft: N374QS
Make and model: Cessna 560CESSNA
Aircraft serial: 5600475
Aircraft time: 6,228 hours, 5,081 cycles
System (JASC): 3240 · Landing Gear Brake System
Part: B-Nut
Condition: Loose
Location: Park Brake Valve
Stage of operation: LD
How discovered: O
Nature of condition: K
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.