As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BC-4 CHECK DISCOVERED CORROSION ON THE FLOORBEAM LOCATED AT FR 16 AND Y254. MAINTENANCE REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-11-14 PAGE 109, FIG 104. MAINTENANCE CUT OUT DAMAGED AREA IAW SRM 53-11-14. FABRICATED ANGLES AND SUPPORT FLOOR IAW SRM 53-11-14 PAGE 213 AND 214. INSTALLED FABRICATED REPAIR PARTS AT FR 16 AND Y254 IAW SRM 53-11-14.