Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
February 27, 2019
Submitted
March 1, 2019
Operation
Air carrier
Aircraft
N493AS
Make and model
Boeing 737990ER
Aircraft serial
41727
Aircraft time
11,334 hours, 3,786 cycles
Part
Sensor
Condition
Faulty
Location
Window Heat
Stage of operation
NR
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

LEFT SIDE WINDOW LIGHT ILLUMINATED QRH ACCOMPLISHED LIGHT EXTINGUISHED. GROUNDED - YES. FOUND PRIMARY SENSOR OUT OF TOLERANCE. SWITCHED TERMINAL FROM PRIMARY TO SPARE SENSOR PER AMM 30-41-21-760-801. PERFORMED GOOD OP TEST OF WINDOW HEAT FOR LT SIDE WINDOW PER AMM 30-41-00-710-801