Service difficulty report · Pump · Boeing 737832

Difficulty date
September 12, 2004
Submitted
September 17, 2004
Operation
Air carrier
Aircraft
N3750D
Make and model
Boeing 737832
Aircraft serial
32375
Aircraft time
9,737 hours, 4,416 cycles
Part
Pump
Part number
887477
Part serial
MX640425
Condition
Failed
Location
Hyd System
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

LOW PRESS LIGHT ON SYS-A ELECT HYD PUMP CAME ON AND A-SYS HYD QTY STEADILY DECREASED TO 21 PERCENT THEN SYS PRESS BEGAN FLUCTUATING. COMPLIED WITH QRH NNC 13.2. REPLACED FAILED AND LEAKING A SYS ELECT HYD PUMP AND FILTERS.