As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE OPERATION AN EICAS MESSAGE APPEARED " R PACK OFF" & R ENG BLEED OFF" MESSAGES APPEARED. THE ACFT DIVERTED WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSP WAS PERFORMED AND WAS RELEASED TO SERVICE, FURTHER INVESTIGATION LEAD TO THE REMOVAL AND REPLACEMENT OF THE PACK TEMP CONTROL VALVE, OPS CHECKS GOOD. ACFT WAS RETURNED TO SERVICE WITH NO OTHER DEFECTS NOTED.