As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSHBACK RECEIVED A RT ENGINE BLEED CAUTION. RETURNED TO THE GATE. MAINTENANCE FOUND NO FAULTS IN THE MDC. FAULT HISTORY SHOWED A RT PRESS VALVE NO CONTROL/POSITION DISAGREE MESSAGE IN FAULT HISTORY. COMPLIED WITH FIM TASK 75-30-00-810-A01 AND PERFORMED OPERATIONAL TEST OF THE PRSOV IAW 36-12-01-710-801. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.