What was found
LEFT WINDOW ANTI ICE DISPLAYED ON UPPER ECAM SCREEN. TWO POPS WERE HEARD AND SAW AN ARCING IN THE VICINITY OF THE SLIDING WINDOW WIRING. REMOVED AND REPLACED LEFT SLIDING WINDOW WIRE HARNESS WITH NEW HARDWARE PER ESPM 20-33-00, AMM 56-12-11, AWM 30-42-03 AND 30-42-00. GROUND CHECKED NORMAL. NO FAULTS NOTED.