Service difficulty report · Control Unit · Boeing 737890

Difficulty date
October 17, 2012
Submitted
October 23, 2012
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
22,671 hours, 7,014 cycles
Part
Control Unit
Part number
8300005604
Part serial
8405D
Condition
Malfunctioned
Location
Windshield Heat
Part time
22,676 hours, 7,015 cycles
Stage of operation
TX
How discovered
O
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

FIRST OFFICER`S SLIDER WINDOW OVERHEAT LIGHT ILLUMINATED. CYCLED POWER WINDOW, HEATS NORMALLY, WINDSHIELD HEAT CONTROL UNIT SHOWS SENSOR FAULT. CONTROL UNIT BITE CHECKED OK. WINDOW SENSOR CHECKED RESISTANCE WAS WITHIN LIMITS REF AMM 30-41-21-760-801. REPLACED RT SIDE WINDSHIELD HEAT CONTROL UNIT REF MM 30-41-11, OPS TESTED OK REF MM 30-41-00-701-801, VERIFIED HEAT IS WITHIN LIMITS.