As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A RIGHT ENGINE PRV EICAS MESSAGE IN FLT. PERFORMED FIM 36-10, FT 847. REMOVED AND REPLACED THE RIGHT ENGINE PRV IAW AMM 36-11-18/401. LEAK CHECKED GOOD. PERFORMED AIR SUPPLY BITE MODUAL TEST IAW FIM 36-20-00/101. ALL FAULTS CLEARED. NO ADDITIONAL FAULTS NOTED. EICAS MESSAGE CLEARED.