As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A PHASE INSPECTION, FOUND BOTH RT AND LT CANTED RIBS TOP CAPS TO BE CRACKED. CRACKS START AT AFT SIDE OF FORWARD WING SPAR AND RUN AFT, PARALLEL TO THE BEND RADIUS. STOP DRILLED BOTH ENDS OF EACH CRACK PER CESSNA ENGINEERING INSTRUCTIONS.