As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL ON THE GROUND RIGHT PACK LIGHT ILLUMINATES, IT IS RESETTABLE. ACFT GROUNDED. IAW TSR818142 VERIFIED NR 2 TCV FAULT ON RIGHT PACK/ZONE TEMP CONTROLLER IAW AMM 21-61-00-700-806-002. REPLACED THE RIGHT TEMPERATURE CONTROL VALVE IAW AMM 21-51-10/401. THE NEW VALVE OPS/LEAK CHECKS GOOD IAW AMM.