As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YWG - MAJOR REPAIR - DURING C-08 CHECK CORROSION WAS FOUND ON NUTPLATES AND FLOOR SUPPORT AT Y254L, BETWEEN FR 20 AND FR 21. MAINTENANCE REMOVED FLOOR SUPPORT BETWEEN FR 12 TO FR 24. FABRICATED AND INSTALLED NEW FLOOR SUPPORT IAW SRM 51-72-11, PG. 1 & 2.