As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CABIN AND PRESSURE CONTROL INOPERATIVE 1 AND 2. THE OXYGEN MASKS DEPLOYED BUT WERE NOT NEEDED. FLIGHT DESCENDED TO FL 100 AS PRECAUTION. EMERGENCY DECLARED AND DIVERTED. THE AIRCRAFT WAS GROUNDED. REPLACED CABIN PRESSURE OUTFLOW VALVE ACTUATOR IAW AMM 21-31-04.