As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN PRESSURIZATION UNCONTROLLABLE IN AUTO OR MANUAL MODES. REMOVED FROM SERVICE. FOUND AFT CARGO BAY BLOW OUT PANEL UNSEATED. RESEATED AFT BLOW OUT PANEL. INSPECTED AFT CARGO DOOR SEAL, NO DEFECTS NOTED. PRESSURIZED AIRCRAFT IAW AMM 21-00-00-863-801. PRESSURIZATION NORMAL. DEPRESSURIZED AIRCRAFT IAW AMM 21-00-00-863-802. DEPRESSURIZATION NORMAL. NO FAULTS SHOWN IN CDS. NO DEFECTS NOTED AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.