What was found
WINDOW HEAT OVERHEAT DISPLAYED AT INITIAL WINDOW HEAT POWER UP ON L SIDE WINDOW AND R FWD WINDOW. GROUNDED - YES. BOTH L SIDE AND R FWD WINDOW HEAT CONTROLLERS LOG P5-9 POWER FAULT. FOUND XFR BUS 2 SECT 2 C/B INSIDE P92 PANEL OUT.INSPECTED WIRING AND ASSOCIATED CONNECTORS FOR DEFECTS REF B737-900 WDM 24-51-21 NO DEFECTS FOUND, RESET C/B REF B737-900 AMM 20-60-01. PERFORMED OPS TEST FOR AC GEN AND CONTROL REF AMM 24-21-00-700-803 AND OPS CK GOOD. C/B REMAINED CLOSED,GROUND FUNCTION TEST PASSED.