As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INT - DURING Q-4 CHECK, FOUND SEVERAL 1 INCH BY 2 INCH CORRODED AREAS AROUND NUT-PLATES SPANNING A TOTAL OF 86 INCHES, STATION 987 LBL 36 INCHES TO RBL 50 INCHES FLOOR BEAM. REMOVED T-CAP SECTION OF FLOOR BEAM AND FABRICATED REPLACEMENT SECTION AND SPLICE BBL 36 TO RBL 50. REPAIRED PER T/R 53-10-05C. (M)