As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR HANDLE DIFFICULT TO OPEN & CLOSE. FLT 4448 OPENED MAIN CABIN DOOR ACCESS PANELS & FOUND ON AFT SECTION OF DOOR CONTROL RODS A CAM & SPRING DETENT NOT MOVING FREELY. CLEANED & LUBRICATED SPRING DETENT ASSEMBLY IAW AMM. SPRING DETENT MOVES FREELY ON CAM. MAIN CABIN DOOR HANDLE OPERATES NORMALLY & FREELY.