What was found
LEFT FWD WINDOW HEAT OVERHEAT LIGHT CAME ON DURING DESCENT AROUND FL190. RAN QRH. LIGHT CAME BACK ON. GROUNDED - YES. PERFORMED L1 WINDOW HEAT BITE CHECK PER FIM 30-41 TASK 801. CONTROLLER SHOWS WINDOW SENSOR FAULT. SWITCHED TO OTHER SENSOR AND PERFORMED BIT CHECK AGAIN. OTHER SENSOR FAILED ALSO, SWITCHED BACK TO ORIGINAL SENSOR. REMOVED AND REPLACED L1 WINDOW REF AMM TASK 56-11-11. NEW WINDOW CODE H12. MOVED WIRE 1002-18 TERMINAL FROM POSITION 1 TO POSITION 2 OF TERMINAL BOARD TB5010 IAW WDM 30-41-11-6. WINDOW HEAT OPS TEST GOOD REF AMM 30-41-00-710-801.