SDR ASAA2017060220949

Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date: June 2, 2017
Submitted: June 5, 2017
Operation: Air carrier
Aircraft: N479AS
Make and model: Boeing 737990ER
Aircraft serial: 60576
Aircraft time: 7,547 hours, 2,538 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Warning Light
Condition: False Activation
Location: Window Heat
Stage of operation: AP
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

WINDOW OVERHEAT LIGHT ILLUMINATED ON SHORT FINAL. WINDOW HEAT RIGHT SIDE. ACFT GROUNDED. RESISTANCE CHECK OF THE TEMP SENSOR, CHECKED GOOD, COULD NOT DUPLICATE DISCREPANCY, SYS OPS CHECKED NORMAL IAW AMM 30-41-00, GND VERIFICATION SUCCESSFUL.