The ornamental design for an interior of a passengercabin of an aircraft, as shown and described.
FIG. 1 is a perspective view of an ornamental design of an interior of a passenger cabin having center pivotable upper bucket of luggage stow bins in the up or closed position and side pivotable lower bucket of luggage stow bins in the up or closed position; and,
FIG. 2 is an elevational view of the ornamental design of the interior of the passenger cabin showing the center pivotable upper bucket of luggage stow bins and side pivotable lower bucket of luggage stow bins in phantom, in the up or closed position on the left side and the down or open position on the right side.
The broken lines are for illustrative purposes only and form no part of the claimed design.