As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TURNBACK INSPECTION, CABIN DOOR FUSELAGE FRAME WAS FOUND TO HAVE A WORN AREA WHERE THE CABIN DOOR TEFLON GUIDE CONTACTS THE DOOR FRAME ON THE FORWARD LOWER DOOR FRAME. DAMAGED AREA INSPECTED AND FOUND TO BE OUT OF LIMITS. REPAIRS COMPLETED PER ARP 53-20-9116 FAIRCHILD AIRCRAFT STRUCTURAL REPAIR MANUAL 53-90-20. (M)