As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR BRAKING FUNCTION IS INOPERATIVE. DOOR FALLS OPEN VERY QUICKLY WITH ALL ITS WEIGHT. GAINED ACCESS TO DOOR. REMOVED FAILED DOOR ACTUATOR PN:604-31940-3 SN:0219. INSTALLED REPAIRED DOOR ACTUATOR PN:604-31940-3 SN:0192. WORK DONE IN REF TO CL650 MM 52-11-01. CYCLED THE DOOR SEVERAL TIMES. DOOR OPS CHECKS GOOD. WORK DONE IN REF TO CL 650 AMM 52-11-00