As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND FLOORBOARD SKIN ABOVE THE LT AND RT GEAR BOXES, CRACKED AT THE INSPECTION HOLES. CRACKS RAN FROM THE EDGE OF THE HOLE TO THE SCREW HOLE FOR THE INSPECTION PLATE. INSTALLED A REINFORCEMENT UNDER THE DOUBLER AND STOP DRILLED THE CRACKS. (K)