As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, RECEIVED A RIGHT PACK LIGHT. A/C PACK LIGHT GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. RT PACK ZONE TEMP ZONE CONTROLLER BITE LOGGED TCV FAULT, FAULT CLEARED. ACCOMPLISHED FIVE ADDITIONAL BITE TESTS, NO FAULTS LOGGED, IAW AMM TASK 21-51-00-700-803.