As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUBMITTED TO REVEAL THE SYSTEMIC FAILURE AND UNRELIABILITY OF THE RT CENTER CAR ASSEMBLY. EXCESSIVE WEAR IS DETECTED ON THE 3 WHEELS OF CAR ASSEMBLY, WHICH RESULT IN CABIN DOOR NOT FUNCTIONING PROPERLY COMING OFF TRACK OR FALLING OFF AIRFRAME.