Service difficulty report · Pump · Boeing 737522

Difficulty date
December 7, 2004
Submitted
December 15, 2004
Operation
Air carrier
Aircraft
N902UA
Make and model
Boeing 737522
Aircraft serial
25002
Aircraft time
38,979 hours, 24,721 cycles
Engine
Ge CFM56*
Part
Pump
Condition
Failed
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
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-ELECTRIC PUMP OVERHEAT LIGHT ILLUMINATED. FUNCTIONAL BENCH TEST FAILED IN THE SHOP. NUMEROUS PARTS REPLACED DURING OVERHAUL OF UNIT (BEARINGS, CYLINDER BLOCK, MATING RING, ETC.).