Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
July 11, 2019
Submitted
July 15, 2019
Operation
Air carrier
Aircraft
N448AS
Make and model
Boeing 737990ER
Aircraft serial
36356
Aircraft time
13,163 hours, 4,306 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
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

SHORTLY AFTER LEVEL OFF THE RIGHT SIDE WINDOW OVERHEAT LT ILLUMINATED AFTER FOLLOWING THE QRH PROCEDURE IT REMAINED OFF HENCE THIS INFO ONLY WRITE UP. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT BITE FOR RIGHT SIDE WINDOW. BITE CHECK OK, NO FAULTS FOUND REF FIM 30-41 TASK 801.