As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED ON THE MASTER CAUTION RECALL, LIGHT GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. PACK TEMP CONTROLLER LOGGED RIGHT TCV FAULT. REMOVED AND REPLACED RIGHT PACK TEMPERATURE CONTROL VALVE IAW AMM 21-51-10-000-801. PERFORMED A BITE TEST, TEST PASSED. LEAK CHECKED GOOD.