As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES WITH MASTER RECALL AND EXTINGUISHES WITH MASTER RESET. PERFORMED NR 2 AIR CONDITIONING PACK/ZONE TEMP. CONTROLLER BITE CHECK/TEST. FOUND NR 2 TCV FAULT LIGHT TO ILLUMINATE TO VERIFY RT PTCV FAULT. REPLACED RT TEMP CONTROL VALVE PER MM 21 51 10 PB 401. OPS CHECK GOOD. NO FAULTS NOTED.