As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED. EXTINGUISHED WITH RESET. ILLUMINATED AGAIN WITH MASTER RECALL. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE IAW AMM 21-61-00-700-806-002. LEFT TCV FAULT, RESET. BITE TEST, NO FAULT. OPERATED LT PACK IAW FIM 21-53 TASK 809, LEFT PACK LIGHT REMAINED EXTINGUISHED.