Defrost cycle would not cycle off

Replaced Defrost Thermostat. Tricky removal of light fixture cover and evaporator cover. Light cover screw removal is not intuiitive and the eveaporator cover tabs are not easy AT ALL to remove.Once they are removed, simply 2 screw removal of rear panel.

Had to unscrew screws holding cooling coils to gain access to thermostat mounted on a coil in rear.

Simkple matter to cut wires, remove old thermostat and splice replacement back on. Found it simpler to re-mount thermostat on top coil greatly simplifying process.(Why didn't they place the original unit in this much more accesible place?)
Re-attach coils to rear wall replace rear panel, light fixture cover and evaporator cover.

Refrigerator has been running fine this past week.

Received parts NEXT DAY! FANTASTIC!