As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIMARY CONTROL TEMP INOPERATIVE. ACFT GROUNDED. FOUND TEMP CONTROLLER NR 2 TCV FLIGHT DECK FAULT ON PREVIOUS LEG. RAN BITE CHECK, FAULT CLEARED. CLEANED FLIGHT DECK AIR FILTER. RAN PACKS FOR 30 MINUTES. RAN BITE CHECK AGAIN, NO FAULTS FOUND.