Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
February 28, 2020
Submitted
March 4, 2020
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
46,334 hours, 13,853 cycles
Part
Wire Harness
Part number
3250274040
Condition
Chafed
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

DETAILED VISUAL INSPECTION OF #1 ENG LOOP "B" FIRE DETECTION HARNESS MW0316 FOUND CHAFING AT THE 12 O'CLOCK POSITION, NEAR OUTBOARD COWLING HINGE. GROUNDED - YES. REMOVED & REPLACED ENG #1 FAN FIRE DETECTION HARNESS PER B737-800 AMM 26-11-02 ACCOMPLISHED OPS CHECK NORMAL.