As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WINDSHIELD HEAT INOPERATIVE AT UPPER ECAM SCREEN. ACCOMPLISHED TBS 30-42-00-81 0-801-A. SWAPPED WHC 1 WITH WHC 2. CONFIRMED WHC (3DG1) FAULTY. INSTALLED WHC'S TO THE ORIGINAL POSITION. REPLACED NR 1 WHC PER MM 30-42-34. LEFT WINDSHIELD OPS CHECKED NORMAL. ACFT RETURNED TO CATIII PER MM 22-97-00.