As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ILLUMINATION OF RIGHT PACK DURING MASTER CAUTION RECALL. RIGHT PACK EXTINGUISHED WHEN MASTER CAUTION SYSTEM WAS RESET. GROUNDED - YES. PERFORMED PACK TEMPERATURE CONTROL - BITE PROCEDURE PER B737-800 FIM 21-62 TASK 801. TCV FAULT LOGGED. REMOVED AND REPLACED RIGHT PACK TCV IAW B737-800 AMM 21-51-10. OPS TEST GOOD. NO FURTHER DEFECTS NOTED.