As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LBL 9 FLOOR SUPORT HAD MULTIPLE AREAS OF CORROSION ON INBD AND OTBD FLOOR SUPPORT BS 409+128 - 559. PERFORMED A MAJOR REPAIR BY REPLACING THE UPPER CAP OF THE LBL 9 FLOOR SUPPORT BTWN BS 409+128 & 559 IAW REO 601R-53-41-3427, REV-. COMPLETED TASK CARD 51-900-1003-SKY.