As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND FOUR .5 INCH BY 1 INCH CORRODED SPOTS BS 312 TO BS 328, RBL 12 CABIN FLOOR INTERCOSTAL. REPLACED WITH NEW PART, REPAIRED PER SRM 51-10-2. CORROSION TASK NR C53-107-02, CORROSION LEVEL 2. (M)