As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSHBACK AND START RT ENG BLEED OFF MSG COMPLIED W/ QRH RETURNED TO GATE.(<P>BITE AIR SUPPLY MODULE PER 36-20-00. FOUND PRVC FAULT. REMOVED AND REPLACED PRVC PER AMM 36-11-19. PERFORMED R ENG IDLE RUN PER AMM 72-00-00. OPS CHECK GOOD. NO FAULTS NOTED.</P>)