As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AFTER START CHECKLIST, THE LEFT PACK LIGHT ILLUMINATED DURING RECALL AND EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002, GREEN GO LIGHT ILLUMINATED AND NO FAULTS FOUND.