As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - FLIGHT 4183, RIGHT BLEED MASTER CAUTION ON CLIMB-OUT. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE FOUND NO POSTED MESSAGE IN MDC. PERFORMED FIM TASK 30-22-01-810-810-A01. NO DEFECTS NOTED. PERFORMED OPS CHECK OF PRSOV WITH NO DEFECTS. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.