As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE BLEED OFF LIGHT WITH LOSS OF RIGHT PACK, ALSO RECEIVED EICAS MSG RIGHT ENGINE PRV AFTER T/O. A/C RETURNED TO ATL FOR REPAIRS. BITE OF AIR SUPPLY MODULE REVEALED NO FAULTS. INSPECTION OF PRV AND PRSOV NO DEFECTS NOTED. FOUND FITTING ON PRV CONTROL DAMAGED. REPLACED LINE AND PRV CONTROLLER.