As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A CHANNEL IN RIGHT WING WAS FOUND CRACKED. CHANNEL IS LOCATED ON LOWER WING SKIN EXTENDING FROM ROOT TO APPROX WS 48; IS PART OF 38217-005 WING SKIN ASSY. CRACKS WERE LOCATED ON ENDS OF CHANNEL EXTENDING FROM RIVET HOLE TO MATERIAL EDGE.