Service difficulty report · Pump · Cessna 560XL

Difficulty date
March 20, 2013
Submitted
March 25, 2013
Operation
Air carrier
Aircraft
N687QS
Make and model
Cessna 560XL
Aircraft serial
5605187
Aircraft time
9,666 hours, 7,635 cycles
Part
Pump
Part number
99121663
Part serial
1916
Condition
Failed
Location
Brake
Part time
9,666 hours, 7,635 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

DURING TAXI, ANTI-SKID INOPERATIVE ANNUCIATOR ILLUMINATED. RETURNED TO RAMP. WHILE TURNING TO PARK THE BRAKE FAILED AS THE BRAKE LOW PRESSURE LIGHT ILLUMINATED. TROUBLESHOT TO BRAKE HYDRAULIC PACK. HYDRAULIC MOTOR WOULD ONLY BUILD PRESSURE UP TO 1300 PSI AND CONTINOUSLY RAN, GOT HOT AND POP THE POWER BRAKE CIRCUIT BREAKER. REMOVED & REPLACED BRAKE PUMP AND MOTOR IAW MM 32-42-06. OPS AND LEAK CHECKS GOOD. TAXI CHECK GOOD.

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