As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4140 - DURING GROUND INSPECTION IN DFW, THE MAIN PASSENGER DOOR WOULD NOT OPEN FROM THE OUTSIDE AND DIFFICULT TO OPEN FROM THE INSIDE. MAINTENANCE RIGGED THE MAIN PASSENGER DOOR UPPER CAM MECHANISM. OPERATIONAL AND WARNING CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)