Service difficulty report · Motor · Airbus A320232

Difficulty date
April 20, 2021
Submitted
April 22, 2021
Operation
Air carrier
Aircraft
N485UA
Make and model
Airbus A320232
Aircraft serial
1617
Aircraft time
59,793 hours, 25,881 cycles
Part
Motor
Part number
974540
Part serial
MX642440
Condition
Failed
Location
Hyd Pump
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

B ELEC PUMP LO PR DISPLAYED ON UPPER ECAM SCREEN. - HYD HYD B ELEC PUMP LO PRECAMACCOMPLISHED ECAMAND CHKLIST UPON ARIVAL NOTED BLUE SYSTEM HYD RESERVIOR QTY IS NORMAL, BLUE HELP. C.B DID NOT POP AGAIN, LIGHT ON SWITCH IS DEAD. SYSTEM HYDRAULIC PUMP C.B IS OUT. TRIED TO RESET C.B NO AND FOUND PIECES OF THE FAN COMING APART. CLEANED CONNECTER FROM MELTED MATERIAL FROM OVERHEATED MOTOR RECEPTACLE. BLUE SYSTEM PUMP IS TRIPPING BREAKER. REMOVED COOLING FAN DUCT RPL PUMP ASSY PER AMM 29-12-51 ADD EMP:94388 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1965045 SN OFF 2440

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