The ornamental design for a set of aircraftclamshellrear doors, as shown and described.
FIG. 1 is a back plan view of the set of aircraft clamshell rear doors in a closed position; and,
FIG. 2 is a back plan view of the set of aircraft clamshell rear doors in an open position.
The broken line showing of the aircraft is for the purpose of illustrating the environmental structure in which the claimed elements are found and forms no part of the claimed design.
In addition, thick lines are used to outline objects, while thin lines show contours.