As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR STRUCTURE LONGERON AT OTBD POSITION FRAME 66 HAS A 1 SQ IN ARE OF CORROSION REF NON-ROUTINE N0451. CUT OUT CORROSION AT NUTPLATE HOLE IAW SRM 53-42-14 PRINCIPLE 6 FABRICATED REPAIR ANGLES IAW SRM 53-42-14 PRINCIPLE 6 TREATED PRIMED AND TOP COOFED REPAIR PARTS IAW SRM 53-42-14 PRINCIPLE 6 INSTALLED REPAIR ANGLES AND FILLER IAW 53-42-14 PRINCIPLE 6.