As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUSPECT CORROSION LOCATED AFT OF DOOR 4L ON FLOOR "Z" ANGLE 6" AFT OF FRAME 75 AS MARKED. CORROSION REMOVED FROM "Z" ANGLE 6" AFT OF FRAME 75 IAW SRM 51-74-00 REV 97. DAMAGE DIMENSION: 2.5"L X 1.5"W X MAX DEPTH 0.045". DEPTH GAUGE USED P/N: 2417 S/N: IRFE5005A933 . CONFIRMED AS LEVEL 2 CORROSION, PART REPLACEMENT REQUIRED. "Z" ANGLE REPLACED IAW SRM 51-42-11 REV 98.