As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND AT FLOORBEAM FR14 APPROX 30 INCH RT OF CENTER. DAMAGE WAS CUT OUT AND REPAIR C/W IAW SRM 51-10-03. AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.