As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. RESET OK, LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE OF RT PACK-ZONE TEMPERATURE CONTROLLER IAW FIM 21-62, TSK 801. CONTROLLER FAULTED THE TCV. R & R THE TCV REF MM 21-51-10-400-801. LEAK CHECKED GOOD IAW MM 21-51-10-400-801. BITE OF THE TEMP CONTROLLER SHOWED NO FAULTS.