Service difficulty report · Wire Harness · Boeing 737322

Difficulty date
July 28, 2009
Submitted
July 29, 2009
Operation
Air carrier
Aircraft
N340UA
Make and model
Boeing 737322
Aircraft serial
24244
Aircraft time
60,616 hours, 34,114 cycles
Engine
Cfmint CFM563C1
Engine time
52,608 hours, 30,698 cycles
Part
Wire Harness
Condition
Shorted
Location
Egt
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

LEFT ENG EGT FLUCTUATION, ABORTED TAKEOFF. DUPLICATED EGT FLUCTUATION BY WIGGLING HARNESS. REPLACED HARNESS AND TEST SYS. REPLACED LT EXTENSION HARNESS, LWR LT THERMOCOUPLE HARNESS AND PROBES. RAN ENG, NO FLUCTUATING. OK FOR SERVICE.