As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER LOADING OF PASSENGERS DURING COLD WEATHER OPERATIONS, THE CREW WAS UNABLE TO CLOSE THE CABIN DOOR & DAMAGED THE AFT DOOR SUPPORT TELESCOPIC STRUT. IT WAS DETERMINED THAT THE AFT DOOR TELESCOPIC TIE ROD AS JAMMED DUE TO FROZEN WATER INSIDE OF THE TELESCOPIC ROD. A NEW STRUT WAS INSTALLED & THE AIRCRAFT WAS RETURNED TO SERVICE.