As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS REPORTED LOOSE NUT ON FORWARD NUT TOP OF NR 5 CYLINDER, ON INSPECTION FOUND THAT THE STUD THIS NUT IS ON IS A THROUGH STUD TD NR 3 CYLINDER ON THE NR 3 CYLINDER THE NUT WAS CRACKED AND OPENED DOWN THE SIDE THUS ALLOWING THE NR 5 CYLINDER NUT TO BECOME LOOSE, REPLACED NUT AND TORQUE TO SPECS CALLED OUT IN SB 96-7B.