As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A HEAVY MAINTENANCE CHECK, THE FLOOR BEAM AT BS 400 LBL 24 TO RBL 14 WAS FOUND TO HAVE CORROSION AROUND THE FASTENER HOLES. REMOVED CORROSION MATERIAL LOSS OUT OF LIMITS PER SRM 53101. FABRICATED UPPER CHORD IAW SRM 53108 FIG 3 AND SUPPORT ANGLES. INSTALLED PARTS 53108.