What was found
LEFT FWD WINDOW OVER HEAT LIGHT IS ON. GROUNDED - YES. PERFORMED B737-900 FIM 30-41 TASK 801, FOUND C/B "WINDOW HEAT POWER LEFT FRONT" (B9) ON P6-11 PANEL OPEN. GVI'D C/B, NO DEFECTS NOTED AT THIS TIME AND RESET, REF B737-900 AMM 20-60-01. PERFORMED BITE ON LEFT FWD WHCU, PASSED. FAULT HISTORY NOTED "BUS POWER" FAULT AS PREVIOUS FAULT. PERFORMED WINDOW HEAT SYSTEM OPS TEST FOR LEFT FWD WINDOW, PASSED, REF AMM 30-41-00. RE-PERFORMED LEFT FWD WHCU BITE, PASSED, CLEARED FAULT HISTORY. THIS CLEARS MEL 30-11D.