As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O, NO PRESSURIZATION, CABIN CLIMBED AT SAME RATE AS AIRCRAFT. AC PACKS SHOWED 27 PSI ON BOTH SIDES, CABIN FLOW CONTROL VALVE WAS FULLY CLOSED. INSPECTED A/C FOUND ALL EXTERIOR DOORS CLOSED. FOUND AFT BULKHEAD ACCESS DOOR UNLATCHED. RESECURED DOOR. PRESSURIZED A/C. OPS CHECKED GOOD.