What was found
DURING DESCENT, CABIN ALTITUDE CLIMBED UNTIL IT MATCHED AIRCRAFT ALTITUDE. DESCENDED UNPRESSURIZED. REPLACED PRSOV FILTERS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING DESCENT, CABIN ALTITUDE CLIMBED UNTIL IT MATCHED AIRCRAFT ALTITUDE. DESCENDED UNPRESSURIZED. REPLACED PRSOV FILTERS.