As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR: AFTER CLOSING AND STOWING MAIN CABIN ENTRY DOOR FROM OUTSIDE, ATTEMPTED TO RE-ENTER CABIN, BUT THE LEVER WOULD NOT POP OUT. IT IS STUCK STOWED, UNABLE TO RE-ENTER AIRCRAFT.//CORRECTIVE ACTION//CLEANED & LUBRICATED MAIN DOOR HANDLE SHAFT AS NEEDED AND OPERATED THE MAIN DOOR HANDLE SEVERAL TIMES IRW CL-650 SPM 20-00-00.