FIG. 1 is a top, front, and left side perspective view of an access door showing our design, as installed on a passenger bus;
FIG. 2 is a top, front, and left side perspective view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a top, front, and left side perspective view of an access door showing a second embodiment of our new design;
FIG. 8 is a rear perspective view of FIG. 7;
FIG. 9 is a top plan view of FIG. 7;
FIG. 10 is a side elevation view of FIG. 7; and,
FIG. 11 is a front elevation view of FIG. 7.
The environmental structures shown in broken lines throughout the drawings are for illustrative purposes only and form no part of the claimed design.