Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
February 20, 2019
Submitted
February 26, 2019
Operation
Air carrier
Aircraft
N588AS
Make and model
Boeing 737890
Aircraft serial
35685
Aircraft time
43,043 hours, 12,998 cycles
Part
Wire Harness
Part number
3250350030
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

WHILE PERFORMING T/C 78273000, FOUND MAINT MESSAGE 79-11101, THE ENGINE OIL TEMPERATURE SIGNAL (TEO) IS OUT OF RANGE, LONG TERM FAULT. GROUNDED - YES. ON DEFERRAL. REMOVED AND REPLACED J6 FAN WIRING HARNESS ON NR 1 ENGINE PER AMM 73-21-06/401, NO EEC FAULTS. ACTUATORS TEST SUCCESSFUL. THIS CLEARS PLT.