SDR ASAA2019120961534

Service difficulty report · Circuit Breaker · Boeing 737890

Difficulty date: December 6, 2019
Submitted: December 10, 2019
Operation: Air carrier
Aircraft: N592AS
Make and model: Boeing 737890
Aircraft serial: 35190
Aircraft time: 45,391 hours, 13,629 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Circuit Breaker
Condition: Open
Location: Window Heat
Stage of operation: NR
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

L SIDE WINDSHIELD HEAT "OVERHEAT" LIGHT ILLUMINATED. GROUNDED - YES. REF B737-800 FIM - TASK, FOUND L SIDE WINDOW HEAT C/B OPENED, P6-12, B-9, INSPECTED & RESET L SIDE C/B, PERFORMED L SIDE WHCU BITE TEST PASSED, WHCU SYSTEM TEST PASSED B737-800 AMM 30-41-11-710-801.