Service difficulty report · Warning Light · Boeing 737890

Difficulty date
August 1, 2017
Submitted
August 3, 2017
Operation
Air carrier
Aircraft
N531AS
Make and model
Boeing 737890
Aircraft serial
35199
Aircraft time
27,800 hours, 8,273 cycles
Part
Warning Light
Condition
False Activation
Location
R1 Window
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

RIGHT FWD WINDOW OVERHEAT LIGHT ON. DID NOT RESET WITH QRH PROCEDURES. ACFT GROUNDED. PERFORMED FIM 30-41, TASK 801 WHCU BITE CHECK SHOWS SENSOR FAULT. ACCOMPLISHED FIM 30-41 TASK 812 POSITIONED SENSOR SWITCH TO ALTERNATE POSITION OVERHEAT LIGHT EXTINGUISHED WHCU BITE SHOW NO FAULTS A/C OK FOR SERVICE.