As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF CABIN ATL WARNING AT FL330. DIVERTED TO KMCO. O2 MASKS DEPLOYED BY CREW. MAINTENANCE IDENTIFIED DEFECTIVE RT BLEED AIR REGULATOR. REMOVED AND REPLACED RT BLEED AIR REGULATOR IAW AMM 36-11-03. BITE CHECKED NR 2 PRESS CONTROLLER IAW AMM 21-31-01. NO FAULTS NOTED. ALL CHECKS NORMAL.