Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
August 12, 2017
Submitted
August 14, 2017
Operation
Air carrier
Aircraft
N481AS
Make and model
Boeing 737990ER
Aircraft serial
44106
Aircraft time
8,072 hours, 2,721 cycles
Part
Warning Light
Condition
False Activation
Location
Window Heat
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

LEFT FWD WINDOW HEAT OVERHEAT ILLUMINATED AT FL350. QRH PROCEDURE ACCOMPLISHED. LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. FOUND WINDOW HEAT LEFT FRONT CIRCUIT BREAKER TRIPPED ON P6-11 PANEL. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01, PERFORMED WINDOW HEAT BITE IAW FIM 30-41, TASK 801. NO FAULTS NOTED. NO HISTORY FOR THE LAST 30 DAYS. LT WINDOW HEAT OPS CHECKED GOOD.