As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT PACK TEMP EICAS. PERFORMED QRH PACK SWITCH REMAINS IN STANDBY WITH NO FURTHER ACTION. PERFORMED BITE TEST RIGHT PACK TEMP CONTROLLER, NO FAULT FOUND. RESET RIGHT PACK SYSTEM AND OPERATION CHECK OF RIGHT PACK SYSTEM PER AMM21-51-00, NORMAL.