SDR ASAA2013052594901

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: May 25, 2013
Submitted: May 29, 2013
Operation: Air carrier
Aircraft: N588AS
Make and model: Boeing 737890
Aircraft serial: 35685
Aircraft time: 21,235 hours, 6,602 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Warning Light
Condition: False Activation
Location: Window Overheat
Stage of operation: DE
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

RIGHT FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED IN DESCENT AT 10,000 FEET W/ TEMP 12F, DID NOT REOCCUR AFTER QRH PROCEDURE. ACFT GROUNDED. TESTED THE WINDOW HEAT SYS IAW FIM 30-41, TASK 812. OP CHECK GOOD, NO FAULTS FOUND AND THERE IS NO MX HISTORY ON THE WINDOW HEATING SYS WITHIN THE PAST 30 DAYS.