Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
February 8, 2018
Submitted
February 12, 2018
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
17,215 hours, 5,679 cycles
Part
Sensor
Condition
Failed
Location
Winow Overheat
Stage of operation
DE
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

RIGHT SIDE WINDOW OVERHEAT ILLUMINATED ON DESCENT. ACFT GROUNDED. CONTROL MODULE HAD WINDOW SENSOR FAILURE WHEN CHECKING FAULT HISTORY FOR THE RIGHT WINDOW. SWAPPED SENSOR TERMINAL TO SPARE SENSOR. OPS CHECK GOOD IAW AMM 30-41-00-710-801.