As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING A "C" INSP THE FIRE SHIELD ON THE NR 4 SYNC SHAFT WAS FOUND TO BE CUT. DURING REPLACEMENT OF THE FIRE SHIELD AT STATION 410 THE CREW FOUND A SCREW HAD RUBBED A 0.25" DEEP HOLE IN THE 410 CAP ANGLE. DAMAGE REPAIRED ON VP-000245-18. DETAILS ON FILE WITH THIS REPAIR STATION