As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR IS CATCHING ON SOMETHING WHEN OPENING AND GETS STUCK PART WAY DOWN. REMOVED FROM SERVICE. PERFORMED GVI & FOUND FWD HANDRAIL LOWER STRUT THREADED BUSHING MISSING. REPLACED THREADED BUSHING. APPLIED F19 TYPE II PRIMER. AIRCRAFT RETURNED TO SERVICE.