SDR ASAA2020122533755

Service difficulty report · Circuit Breaker · Boeing 737890

Difficulty date: December 25, 2020
Submitted: December 29, 2020
Operation: Air carrier
Aircraft: N562AS
Make and model: Boeing 737890
Aircraft serial: 35091
Aircraft time: 52,804 hours, 15,660 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Circuit Breaker
Part number: BACC18X25
Condition: Inoperative
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

F/O FWD WINDOW OVERHEAT ATTEMPTED RECYCLE, PER QRH, OVERHEAT REMAINED. GROUNDED-YES. REMOVED AND REPLACED CB C394, RETERMINATED WIRE W0040-6119-12, REF B737-800 WDM 24-51-24, WDM 30-41-12, 737-800 SWPM 20-30-11. ACCOMPLISHED WINDOW HEAT SYSTEM-OPERATIONAL TEST AND WHCU SYSTEM TEST, NO DEFECTS NOTED, REF B737-800 AMM 30-41-00, 30-41-11 (RIGHT FRONT ONLY).