As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CABIN PRESSURIZATION PROBLEMS DURING CLIMB. REPEAT PROBLEM. RETURNED TO DFW AND LANDED OVERWEIGHT WITHOUT INCIDENT. LEFT HAND PACK WAS PLACARD INOPERATIVE DURING BOTH EVENTS. FOUND LOWER ELECTRICAL ACCESSORY COMPARTMENT (E&E COMPARTMENT) DOOR LEAKING. REPAIRED LOWER E AND E DOOR SEAL. SYSTEM GROUND CHECKED NORMAL OPERATION.