Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
September 27, 2019
Submitted
September 30, 2019
Operation
Air carrier
Aircraft
N492AS
Make and model
Boeing 737990ER
Aircraft serial
44110
Aircraft time
15,398 hours, 5,041 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
DE
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

AT 4000 FT ON DESCENT LEFT SIDE WINDOW OVERHEAT LT ILLUMINATED. FOLLOWED QRH AND LIGHT STAYED OFF. GROUNDED - YES. FOLLOWED QRH RESET PROCEDURE AND LIGHT STAYED OFF.