As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT 1463 - WITH THE LEFT PACK ON MEL, DESCENDING FROM FL350, THE RIGHT BLEED SYSTEM BLEED LIGHT ILLUMINATED. THE BLEED SYSTEM WAS RESET, BUT TRIPPED OFF AGAIN. THE CABIN ALTITUDE BEGAN TO CLIMB. THE AIRCRAFT DESCENDED TO 10,000 FEET AND DIVERTED TO MIA. MAINTENANCE REPLACED THE PRSOV. (M)