Service difficulty report · Control Unit · Cessna 560CESSNA

Difficulty date
September 8, 2014
Submitted
September 11, 2014
Operation
Air carrier
Aircraft
N831QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600792
Aircraft time
4,462 hours, 3,542 cycles
Part
Control Unit
Part number
142021
Part serial
320A
Condition
Faulty
Location
Anti-Skid Sys
Part time
4,462 hours, 3,542 cycles
Stage of operation
TX
How discovered
O
Nature of condition
P
Precautionary procedure
O

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

What was found

ON LANDING ROLLOUT THE BRAKES FELT LIKE THEY FAILED FOR ABOUT 1 - 2 SECONDS THEN RETURNED TO NORMAL. IT HAPPENED AGAIN ON TAXI INTO THE RAMP. NO LIGHTS APPEARED, RESERVOIR & PRECHARGE NORMAL. OPENED NOSE BAGGAGE ACCESS PANELS. REPLACED RESERVOIR FILTER MM 32-42-00. LEAK CHECKED GOOD. SERVICED & BLED BRAKES IAW MM 32-42-00, OPERATIONS GOOD. ACCOMPLISHED TAXI CHECK FOR OPERATION IAW AMM & FOUND RT BRAKE RELEASED AT APPROXIMATELY 45 LETS WITH EVEN PRESS ON BRAKE PEDALS SIDE BRAKE PEDAL ON TWO OCCURRENCES. PERFORMED ANTI-SKID SYS FUNCTIONAL TEST IAW MM 32-42-00 STEP 8. FOUND TWO EACH FAILURES 1 ON EACH SIDE. ANTI-SKID CONTROLLER ON ORDER. REMOVED ANTI-SKID CONTROL UNIT & REPLACED UNIT WITH A REPAIRED UNIT. OPERATIONAL CHECKED GOOD WITH NO FAULTS OR FAILURES. ALL WORK IAW MM 32-42-00. TAXI CHECKED GOOD.