As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WORKING NR0651, FOUND CORROSION (C53-224-01) UNDER C-TRACK BS 480 WL 208 RBL 45. REMOVED CORROSION ON FLOORBEAM BS 480 WL 208 RBL 45. CORROSION WAS FOUND TO BE OUT LIMITS PER SRM 53-10-1, AREA 1 INCH BY 1 INCH BY .004 INCH, ORIGINAL THICKNESS .180. REPAIRED FLOORBEAM PER FEDEX SA 7-5310-26726.