Service difficulty report · Sensor · Boeing 737890

Difficulty date
May 27, 2012
Submitted
May 30, 2012
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
21,462 hours, 6,734 cycles
Engine
Cfmint CFM567B27
Part
Sensor
Part number
1016755
Condition
Failed
Location
R1 Window
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER ENGINE START THE FWD OVERHEAT RT CAME ON. ACFT GROUNDED. PERFORM BITE CHECK ON FWD RT (WHCU) FOUND WINDOW SENSOR FAULTY SWITCH TO ALTERNATE SENSOR OVERHEAT LIGHT IS OFF WINDOW HEAT IS WORKING OK FOR SERVICE.