Service difficulty report · Motor · Cessna 560CESSNA

Difficulty date
July 4, 2012
Submitted
July 11, 2012
Operation
Air carrier
Aircraft
N801QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600601
Aircraft time
7,512 hours, 6,186 cycles
Part
Motor
Part number
MP50B1
Part serial
3167
Condition
Inoperative
Location
Brake Pump
Part time
1,743 hours, 1,450 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

"LO BRK PRESS" AND "ANTI SKID INOP" ANNUCIATORS ILLUMINATED AFTER LANDING AND BRAKES FAILED ON RUNWAY AT LOW SPEED. EMER BRAKE USED TO STOP ON RUNWAY AND ACFT TOWED OFF BY TUG. NO CIRCUIT BREAKERS POPPED. BRAKE RESERVOIR FLUID INDICATES FULL. NO VISIBLE FLUID FOUND ON POST FLIGHT. PUMP DOES NOT NOW RUN WHEN TURNING THE BATTERY SWITCH ON. R & R ANTI-SKID BRAKE PUMP IAW MM 32-42-06. PUMP OPS CHECKED GOOD. R & R LANDING GEAR CONTROL SWITCH S112B IAW WIRING DIAGRAM MANUAL 20-10-06. SWITCH OPS CHECKED GOOD. R & R RELAY K74 IAW WIRING DIAGRAM MANUAL 32-40-01. RELAY OPS CHECKED GOOD. PERFORMED BRAKE BLEED IAW MM 32-42-00. BRAKE SYS OPS CHECKED GOOD.