As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER FLIGHT ATTENDANT REPORTED LOUD NOISE COMING FROM PASSENGER DOOR, FLIGHT RETURNED TO START POINT. MAIN PASSENGER DOOR AFT SNUBBER SHOWED LACK OF CABLE TENSION AND THE LEFT CABLE BRACKET HUNG DOWN AND DAMAGED THE DOOR ON CLOSURE. PASSENGER DOOR REPAIRED, AND THE DOOR CUT OUT SEAL DEPRESSOR REPAIRED. NEW CABIN DOOR ASSIST ACTUATOR INSTALLED.