Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
March 11, 2019
Submitted
March 15, 2019
Operation
Air carrier
Aircraft
N483AS
Make and model
Boeing 737990ER
Aircraft serial
36350
Aircraft time
14,307 hours, 4,702 cycles
Part
Warning System
Condition
Activated
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

WINDOW OVERHEAT LEFT SIDE ILLUMINATED AT CRUISE FL 330. EXTINGUISHED AFTER SWITCHING OFF 5 MINS. GROUNDED - YES. ON DEFERRAL.