SDR ASAA2016060316940

Service difficulty report · Sensor · Boeing 737990ER

Difficulty date: June 3, 2016
Submitted: June 6, 2016
Operation: Air carrier
Aircraft: N419AS
Make and model: Boeing 737990ER
Aircraft serial: 41734
Aircraft time: 12,829 hours, 4,173 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Sensor
Condition: Failed
Location: L2 Window Heat
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

LEFT SIDE WINDSHIELD HEAT, OVERHEAT LIGHT ON & NOT EXTINGUISH AFTER 2.5 MINUTES COOLING PERIOD. TURNED OFF IAW QRH. ACFT GROUNDED. CONFIRMED FAULT, CAPTAIN'S SLIDING WINDOW, PN 5610002-3, SN 12324H7354, HEAT INOPERATIVE, OVERHEAT LIGHT ON. ACCOMPLISHED FIM 30-41, TASK 811, FOUND PRIMARY SENSOR OPEN. CONNECTED SPARE SENSOR 303 OHM, GROUND FUNCTIONAL CHECK NORMAL.