As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE, RT PACK LIGHT CAME ON - FOLLOWED QRH - LIGHT EXTINGUISHED. ACFT GROUNDED. FOUND RT TCV BAD DURING PACK/ZONE TEMP CONTROLLER BITE TEST WOULD NOT RESET. REPLACED RT TEMP CONTROL VALVE REF AMM 21-51-10 LEAK CHECK WAS GOOD ACCOMPLISHED BITE TEST NO FAULTS NOTED.