Service difficulty report · Wire · Boeing 737990ER

Difficulty date
February 27, 2017
Submitted
March 7, 2017
Operation
Air carrier
Aircraft
N469AS
Make and model
Boeing 737990ER
Aircraft serial
41702
Aircraft time
10,275 hours, 3,409 cycles
Part
Wire
Condition
Failed
Location
Window Sensor
Stage of operation
AP
How discovered
U
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

OVERHEAT WINDOW HEAT ILLUMINATED R2 SIDE AT APPROXIMATELY 5000FT DURING APPROACH. COMPLETED QRH AND DID NOT EXTINGUISH. ACFT GROUNDED. ACCOMPLISHED R2 SIDE WHCU BITE IAW FIM 30-41 TASK 811. SENSOR FAULT ILLUMINATED IN CURRENT AND LAST 10 LEGS OF HISTORY. REMOVED SENSOR WIRE FROM PRIMARY TO THE SPARE POSITION. OPS TESTED NORMAL.