As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ARRIVAL FLT ATTENDANT UNABLE TO DISARM DOOR 4R. FOUND GIRT STILL FROZEN TO SILL. WARMED & DRIED OFF AREA, CLEANED AND GREASED GIRT BAR MECHANISM AND ARMING MECHANISM. DOOR 0PERATES NORMALLY. REACTIVATED BOTTLE AND SLIDE. CYCLED ARM-DISARM LEVER, OPENED DOOR SEVERAL TIMES. CLEANED GIRT BAR AREA OF MOISTURE PER MT 52-UA4R3. DOOR OPERATES NORMALLY. RETURN TO SERVICE.