The ornamental design for a ceilingfanbladeassembly, as shown and described.
FIG. 1 is a perspective view of a ceiling fan blade assembly, showing the new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an enlarged front elevational view of a portion thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines showing the ceiling fan are for environmental purposes only and form no part of the claimed design. The broken lines showing portions of the ceiling fan blade assembly form no part of the claimed design.