As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL, EXTINGUISHED. DURING MASTER CAUTION RESET. ACFT GROUNDED. OBSERVED RED LIGHT ILLUMINATED FOR TCV ON LT CONTROLLER. RESET CONTROLLER TO ERASE EXISTING FAULTS AND FAULT HISTORY. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-51-00-700-803. NO FAULTS FOUND. GREEN GO LIGHT ILLUMINATED. UNABLE TO DUPLICATE TCV FAULT AT THIS TIME.