As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"R ENGINE PRV" EICAS MESSAGE AND BLEED INDICATION LIGHT APPEARED AFTER R ENGINE START. MESSAGE AND LIGHT EXTINGUISHED. "R ENG PRV" STATUS MESSAGE APPEARED.(<P>PERFORMED AIR SUPPLY CONTROL SYSTEM BITE TEST, NO FAULTS NOTED. EICAS MESSAGE CLEARED IAW AMM 36-23-00.</P>)