As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES ON RECALL DURING AFTER START. GROUNDED - YES. HARD RT TEMPERATURE CONTROL VALVE FAULT. I RESET THE CONTROL BOX BUT AFTER RUNNING THE PACKS THE TCV FAULT CAME UP RIGHT AWAY. REMOVED AND REPLACED RT TEMPERATURE CONTROL VALVE IAW AMM 21-51-10/401, OPS CHECK GOOD IAW AMM 21-61-00-700-806-002.