Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
July 31, 2018
Submitted
August 2, 2018
Operation
Air carrier
Aircraft
N469AS
Make and model
Boeing 737990ER
Aircraft serial
41702
Aircraft time
15,949 hours, 5,316 cycles
Part
Sensor
Part number
PSE21
Condition
Failed
Location
Windshield
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

RIGHT SIDE WINDOW HEAT LIGHT ILLUMINATED ON THE GROUND. CHECKLIST WAS ACCOMPLISHED. OVERHEAT LIGHT ILLUMINATED ON SECOND TIME IN FLIGHT. GROUNDED - YES. SWAPPED TERMINAL LEAD FOR SENSOR FROM PRIMARY TO SECONDARY. OPS CHECK GOOD IAW AMM 30-41-00-710-801.