As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING "B4" CHECK IN BYH, FOUND RBL30 F/S 1907 TO 2007 FLOOR SUPPORT CORRODED. REMOVED SURFACE CORROSION OF APPROXIMATELY .002 OF MATERIAL RBL30 FS 1907 TO 2007 FLOOR SUPPORT. TREATED BARE AREAS WITH ALODINE, CLEANED THEN PRIMED AREA IAW DC-10 SRM 51-21-01.