As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING ENGINES ON MASTER CAUTION RECALL, PACK LIGHT ILLUMINATED AND WOULD RESET WITH MASTER CAUTION RESET. ACFT GROUNDED. C/W LT PACK ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002. FOUND TCV FAULT, AND RESET. RAN PACK, OPS CHECKED GOOD IAW AMM 21-61-00-700-807-002. FAULT CLEARED, OPS CHECKED GOOD.