As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A C-CHECK IN MCN, THE FLOORBEAMS AT LEFT ADN RIGHT 9 AND 27 BETWEEN FS 280 AND FS 409 PLUS 5 WERE FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE IS REMOVING AND REPLACING THE FLOORBEAMS AT LEFT AND RIGHT 9 AND 27 BETWEEN FS 280 AND FS 409 PLUS 5 IAW ASA EO 600-53-0052. (M)