SDR ASAA2016081617730

Service difficulty report · Warning System · Boeing 737990ER

Difficulty date: August 16, 2016
Submitted: August 22, 2016
Operation: Air carrier
Aircraft: N467AS
Make and model: Boeing 737990ER
Aircraft serial: 36362
Aircraft time: 8,847 hours, 2,882 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CL
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

ON CLIMBOUT THROUGH 30,000 GOT LT SIDE WINDOW OVERHEAT LIGHT, CYCLED SWITCH OFF 5 MINUTES IAW CHECKLIST, SWITCH BACK ON, LIGHT DID NOT RETURN. ACFT GROUNDED. COMPLIED WITH T/C 78273000, INTERROGATED THE FMC CDU FOR ENGINE FAULTS. NO FAULTS FOUND.