Service difficulty report · Warning Message · Boeing 737990ER

Difficulty date
January 17, 2016
Submitted
January 20, 2016
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
12,752 hours, 4,126 cycles
Part
Warning Message
Condition
False Activation
Location
Window Heat
Stage of operation
TX
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 LIGHT ON AT SHUTDOWN WITH SWITCH OFF. ACFT GROUNDED. COULD NOT DUPLICATE, NO HISTORY 90 DAYS. ACCOMPLISHED WINDOW HEAT SYSTEM OPS TEST IAW AMM 30-41-00-710-801, TEST PASSED.