Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
December 25, 2015
Submitted
December 30, 2015
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
7,120 hours, 2,330 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 SIDE WINDOW HEAT LIGHT ILLUMINATED AT CRUISE FLIGHT. ACCOMPLISHED WINDOW OVERHEAT PROCEDURE IN QRH. SWITCH LT IN THE OFF POSITION IAW PROCEDURE. ACFT GROUNDED. LT SIDE WINDOW HEAT, OPS CHECK GOOD. REF MM FIM TASK 30-41, TASK 811.