Service difficulty report · Servo Valve · Cessna 560CESSNA

Difficulty date
August 30, 2005
Submitted
September 8, 2005
Operation
Air carrier
Aircraft
N375QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600375
Aircraft time
9,111 hours, 7,401 cycles
Part
Servo Valve
Part number
387072
Part serial
928
Condition
Failed
Location
Brakes
Part time
9,111 hours, 7,401 cycles
Stage of operation
TX
How discovered
O
Nature of condition
S
Precautionary procedure
D

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

What was found

UPON LANDING BRAKES RESPONDED NORMALLY, WITH SPEED BELOW 40 KTS, BRAKES WERE RELEASED. WHEN BRAKES WERE REAPPLIED (TRAVELING STRAIGHT) TO SLOW TO TURN-OFF SPEED, PRESSURE WAS PRESENT IN THE PEDALS BUT BRAKES DID NOT RESPOND. REMOVED ANTI SKID SERVO VALVE PER AMCC REQUEST. INSTALLED A NEW VALVE. OPERATIONAL AND LEAK CHECKS GOOD. ANTI-SKID FUNCTIONAL CHECK GOOD. ALL WORK IAW CH'S 32-42-05, 32-42-00 AND 34-23-02 OF THE CE-560 MM.