Service difficulty report · Oil Cooler · Boeing 737322

Difficulty date
August 30, 2003
Submitted
September 23, 2003
Operation
Air carrier
Aircraft
N379UA
Make and model
Boeing 737322
Aircraft serial
24654
Aircraft time
39,529 hours, 27,665 cycles
Engine
Ge CFM56*
Part
Oil Cooler
Part number
106123311
Part serial
212
Condition
Malfunctioned
Location
Left
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

ON TAKEOFF AND CLIMBOUT 3000 FT MASTER CAUTION LOW OIL PRESS FLICKERING (LT) GEN HIGH OIL TEMP RAN PROCEDURE- DISCONNECTED CSD RETURN TO ORD. THE LEFT CSD WAS RECENTLY REPLACED PRIOR TO THIS EVENT. HOWEVER, DURING THE REPLACEMENT OF THE CSD, THE OIL COOLER WAS NOT REPLACED. THE OIL COOLER WAS SUSPECT AS THE CAUSE OF THIS EVENT AND WAS REPLACED ON 06SEP IN ORD.