As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND CORROSION ON FLOOR BEAM AT FASTENER HOLE AT STA 986.5. FABRICATED DOUBLER FROM 7075 T6 .071 INCH, 11 INCHES BY 2.5 INCHES. FABRICATED DOUBLER FROM 7075 T6 .090 INCH, 9.25 INCHES BY 2.5 INCHES IAW B737 SRM 53-10-9. INSTALLED DOUBLER IAW B737 SRM'S 53-10-9 AND 51-30-2. (X)