As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-18 CHECK 2 EACH CRACKS WERE FOUND ON LONGITUDINAL FLOOR SUPPORT WEB BETWEEN BS 708 AND BS 709, RBL 24.75. MAINTENANCE TRIMMED OUT DAMAGE ON FLOOR SUPPORT WEB BETWEEN BS 708 AND BS 709, RBL 24.75; FABRICATED A DOUBLER AND FILLER; INSTALLED REPAIR PARTS IAW AWA ER 03-5715-04023-ES4.