As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT BETWEEN STA 947-STA 967 RBL 25 HAS CORROSION ON UPPER SURFACE. VERIFIED CORROSION WAS 100% THROUGH MATERIAL AND PART WAS OUT OF LIMITS. REMOVED FLOOR SUPPORT STA 947 - STA 967, RBL 25. VERIFIED NEW PART (P/N 147A5660-3 A-TAG # PP2979. LOCATED AND DRILLED NEW PART. COUNTER SUNK HOLES. INSTALLED NUT PLATES. INSTALLED NEW FLOOR SUPPORT.