As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR REQUIRES EXCESSIVE FORCE TO OPEN OR CLOSE LATCH. GAINED ACCESS TO MED BOLTING LINKAGE SYSTEM. FOUND PRECATCH LATCHING BOLT OUT OF ADJUSTMENT READJUSTED BOLTING SYSTEM LINKAGE. CHECKED DOOR SEVERAL TIMES FOR PROPER LATCHING AND RELEASE, OP CHECK GOOD. NO DEFECTS NOTED. RESTORED ACCESS TO MED BOLTING LINKAGE SYSTEM. WORK DONE JAW CESSNA 560XL MM 52-10-01.