Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
December 25, 2017
Submitted
December 27, 2017
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
16,661 hours, 5,492 cycles
Part
Sensor
Condition
Failed
Location
Rt Window Heat
Stage of operation
NR
How discovered
9
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 FORWARD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED WHCU BITE IAW FIM 30-41, TASK 801, BITE FAULTED RT WINDOW SENSOR. SWITCHED TO RT WINDOW SPARE SENSOR IAW FIM 30-43, TASK 812. OPS CHECKED NORMAL.