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 MASTER CAUTION RECALL. QRH COMPLETED. ACFT GROUNDED. BITE CHECK OF RIGHT ZONE/TEMP CONTROLLER FAULTS TCV-THIS PACK. REPLACED RIGHT PACK TCV (V-141). ZONE/TEMP CONTROLLER BITE PASSES. NO LEAKS NOTED AT TCV, IAW AMM 21-51-10/401 AND FIM 21-62/831. GROUND VERIFICATION SUCCESSFUL.