As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AHIP 674 INTERNAL FUSELAGE CENTER SECTION LH UNDER FLOOR PANEL 240-1 APPROX AT STA 960 UNDER SEALANT LINE WAS FOUND CORROSION WITH POPPED RIVET AND PROBABLY 1/4 INCH BUMP UNDER THE SKIN. CORRECTIVE ACTION: ACCOMPLISHED REPAIR ON WING CENTER BOX/ UPPER SKIN AND STR 14/BS 960 AND BTW LBL 70.50 AND LBL 45.57 IAW ER/A 597544-14 REV ORIGINAL. (2172998)