As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER FUSE IV UNDER FLOOR, FRAME 59 CORRODED. CENTER FUSE IV UNDERFLOOR FR59 HAS EXFOLIATED CORROSION AND IS OUT OF LIMITS. PERFORMED CUT OUT FRAME SECTION BTW STR 20L-20R FRABRICATED U FRAME SECTION FROM 7075-0 0.032" AND FABRICATED QTY 2 FRAME SPLICE REPAIR FROM 7075-0 0.040". CENTER FUSE FR59 REPAIRED WITH SPLICE.