As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIN REINFORCEMENT ASSEMBLY (FORWARD SPAR) IS CRACKED AND BROKEN. JUST ABOVE WHERE THE LOWER RIBS ARE RIVETED TO THE REINFORCEMENT. THE REINFORCEMENT IS BROKEN THRU ITS WEB FROM RELIEF TO RELIEF, ONLY THE FLANGES ARE INTACT. THE LOWER FORWARD RIB IS CRACKED ON THE RIGHT SIDE WHERE IT IS RIVETED TO THE REINFORCEMENT.