As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS REPORT DOOR 4 RIGHT IS FROZEN AND WILL NOT DISARM. DOOR 4R UNABLE TO DISARM. RAISED TEMP IN AC TO THAW DOOR ARMING CABLE. CYCLED DOOR AND ARM DISARM LEVER NUMEROUS TIMES. APPLIED ICE RELEASE TO DOOR AND GIRT BAR MECH. PROBLEM REPEATED IN DEN. REPLACED ARMING PUSH PULL CABLE. OP CHKS NORMAL.