Service difficulty report · Control Unit · Boeing 737890

Difficulty date
April 5, 2012
Submitted
April 11, 2012
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
16,011 hours, 5,052 cycles
Part
Control Unit
Part number
8300005604
Part serial
12044D
Condition
Malfunctioned
Location
Windshield Heat
Part time
16,013 hours, 5,053 cycles
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

R2 WINDOW HEAT "ON" LIGHT GOES ON & OFF WITH WINDOW BELOW OPERATING TEMP. VERIFIED WINDOW HEAT FILM & SENSOR RESISTANCE GOOD PER 30-41-21. REPLACED WINDSHIELD HEAT CONTROL UNIT PER 30-41-11. SYS OPS CHECKED NORMAL.