As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 4R DOES NOT APPEAR TO FULLY SEAT IN DISARM POSITION REMOVED BUSSEL. ICE BUILDUP ON GIRT BAR SLIDERS MELTED IN A FEW MINUTES. DOOR DISARMED FULLY.OPENED DOOR. CLEANED DOOR SILL AREA. CLOSED DOOR. VARIFIED GIRT BAR SLIDERS FULLY ENGAGE IN ARMED. INSTALLED BUSSEL. OPENED AND CLOSED-DOOR VARIFING ARM AND DISARMING IN NORMAL. SLIDE ARM LIGHT WORKS NORMAL.