As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON MASTER RECALL AFTER START L PACK ANNC ILLUMINATED. LIGHT EXT WITH RESET. ACFT GROUNDED. PERFORMED FIM 21-62 TASK 801. FOUND LEFT PACK TCV LIGHT ILLUMINATED. REMOVED AND REPLACED THE LT PACK TEMP CONTROL VALVE IAW AMM 21-61-21. OPS NORMAL.