As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATES DURING MASTER CAUTION RECALL AND RESETS WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE CHECK ON BOTH PACK ZONE CONTROLLERS IAW AMM TASK 21-61-00-700-806-002. NO FAULTS ON EITHER CONTROLLER. LT PACK LIGHT DOES NOT COME ON PRESSING RECALL.