As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING, MAIN CABIN DOOR WAS VERY DIFFICULT TO OPEN AND CREW WAS UNABLE TO LOCK THE DOOR FROM THE INSIDE. TECHS CLEANED ALL DIRT AND DEBRIS FROM THE LOCKING PINS AND THEIR RESPECTIVE PIN SOCKET TECHS LUBRICATED ALL LOCKING PINS ON THE MAIN CABIN DOOR ASSY. ALL OPS CHECKS ARE GOOD DOOR IS ABLE TO LOCK AND UNLOCK AS DESIGNED FROM BOTH INSIDE AND OUTSIDE THE CABIN. ALL WORK PERFORMED PER AMM 52-10-00