Service difficulty report · Pump · Boeing 757324

Difficulty date
November 4, 2024
Submitted
November 6, 2024
Operation
Air carrier
Aircraft
N57857
Make and model
Boeing 757324
Aircraft serial
32816
Aircraft time
60,316 hours, 19,247 cycles
Part
Pump
Part number
3031863001
Part serial
MX636479
Condition
Faulted
Location
Hyd System
Part time
772,534 hours, 728,592 cycles
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

LEFT ENGINE HYDRAULIC OVER HEAT ON DEPARTURE CLIMB REMOVED LEFT ENGINE DRIVEN PUMP EDP IN REFERENCE TO AMM TASK 29-11-05-004-085-001 PENDING INSTALLATION. ADD EMP:14352 REMOVED AND REPLACED PRESSURE FILTER ELEMENT AND CASE DRAIN FILTER ELEMENT REF 29-11-17. NO LEAKS NOTED PARTS USED: 19-2911-3-0116,QTY :1 19-2911-3-0106,QTY :1 REMOVED AND REPLACED EDP TEMPERATURE SWITCH REF 29-32-01. NO LEAKS NOTED OPS CHECK GOOD PARTS USED: 19-2911-3-0121,QTY :1 ACCOMPLISHED FIM TASK 29-11 FAULT TREE 812 TERMINATED IN BLOCK 23. CONTINUED INSTALLATION OF ENG 1 EDP REF AMM 29-11-05-404-099-001. OPS CHECK LEAK CHECK GOOD. PARTS USED: 1569725,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1569725 SN OFF 6479 PUMP, HYDRAULIC OFF 99-2911-9-0007 6479 ON 99-2911-9-0007 0013