As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ON RECALL, EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED A BITE TEST IAW FIM 21-53 / 809, FOUND FAULT IN THE CABIN TEMPERATURE CONTROLLER NR 1, RED LIGHT ON TCV FOR THIS PACK STAYS ON. REMOVED & REPLACED THE LEFT PACK TCV IAW AMM 21-51-10-400-801. LEAK CHECKED GOOD. ACCOMPLISHED A PACK/ ZONE TEMP CONTROLLER BITE IAW AMM 21-61-00-700-806-002. OPS CHECKED GOOD, NO FAULTS.