Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
September 21, 2019
Submitted
September 23, 2019
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
47,034 hours, 14,075 cycles
Part
Wire Harness
Part number
3250276060
Condition
Broken
Location
Nr 1 Engine
Stage of operation
IN
How discovered
V
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 #1 ENGINE HARNESS INSPECTION PER TASK CARD N8420000 ON WO 1004707, FOUND BROKEN GROUND TERMINAL LUG ON WIRE HARNESS MW0326 FOR THE UPPER CORE FIRE DETECTION LOOP. GROUNDED - YES. REMOVED AND REPLACED MW0326 WIRE HARNESS IN REFERENCE TO AMM TASK 26-11-02-400-802. PERFORMED OPERATIONAL CHECK IN REFERENCE TO AMM TASK 26-11-00-710-801. OPS CHECK GOOD.