SDR ASAA2022032837808

Service difficulty report · Unknown · Boeing 737990ER

Difficulty date: March 28, 2022
Submitted: March 30, 2022
Operation: Air carrier
Aircraft: N474AS
Make and model: Boeing 737990ER
Aircraft serial: 40715
Aircraft time: 25,211 hours, 7,944 cycles
Engine: Ge
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: CR
How discovered: V
Nature of condition: M
Precautionary procedure: K

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

What was found

LEFT FWD WINDOW OVERHEAT LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. PERFORMED BITE TEST ON WINDOW HEAT CONTROL UNIT LEFT FWD, FOUND WINDOW HEAT POWER LEFT FRONT C/B POPPED, RESET THE C/B, BITE TEST SUCCESSFUL, LEFT FWD WINDOW HEAT OK FOR SERVICE, REF B737-900 FIM 30-41 TASK 801.