As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COROSSION FOUND BELOW CABIN CTR SECTION FLOOR STRUCTURE ON REAR SPAR UPPER CHORD AT STA 955.1 BETWEEN LT BL 54.81 AND 74.81 DURING INSP IAW TASK CARD NR 53-510-00. (NOTE THAT THERE IS A PREVIOUS REPAIR AT THIS AREA AND THE COROSSION IS FOUND BENEATH IT).