As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD CARGO DOOR, AFT TORQUE TUBE CRACKED. SUPPLEMENTAL DATA UPDATE THE FAILURE IS PROBABLY DUE TO FATIGUE LOADING IN THE TORQUE TUBE SKIN. AFTER REPEATED OPENING AND CLOSING, A CRACK APPEARED IN THE SKIN AT THE END ATTACHING FASTENER. REPLACED THE TORQUE TUBE.