SDR ASAA2017061521108

Service difficulty report · Contact · Boeing 737990ER

Difficulty date: June 15, 2017
Submitted: June 19, 2017
Operation: Air carrier
Aircraft: N457AS
Make and model: Boeing 737990ER
Aircraft serial: 36355
Aircraft time: 13,432 hours, 4,453 cycles
System (JASC): 3097 · Ice/Rain Protection System Wiring
Part: Contact
Condition: Dirty
Location: Window Heat
Stage of operation: DE
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

RIGHT SIDE NR 2 WINDOW OVERHEAT LIGHT ILLUMINATED DURING DESCENT, CYCLED OFF FOR 2 MINUTES, TURNED BACK ON OK. ACFT GROUNDED. PERFORMED FIM 30-41, TASK 801, WINDOW HEAT CONTROL UNIT BITE PROCEDURE. NO CURRENT FAULT NOTED. OPS NORMAL. CHECKED WINDOW ALREADY ON A SPARE SENSOR TERMINAL. CLEANED CONTACTS.