As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK STA 1681.1 AND BTW LBL 45.50 AND 54.9 RETAINER NUT HAS CORROSION BOTTOM SURFACE OF THE TOP FLANGE, INSTALLED NEW NUT PLATE RETAINER STRIP ON MAIN DECK STA 1681.1 AND BTW LBL 45.50 AND 54.9 IAW SRM 51-40-02-0G-0 PAR.4 REV 126.