As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WING FUEL PANELS HAVE A FOAM FILLER BLOCK AND SEALANT TO PREVENT WATER FROM BEING TRAPPED AT PANELS. THE SEALANT HAD TORN FREE AND THE FOAM BLOCK WAS FLOATING LOOSE IN THE TANK FROM ONE PANEL AND WAS LOOSE FROM A SECOND PANEL BUT WAS NOT FREE IN THE TANK YET. THESE PIECES ARE ABOUT 5 INCHES LONG, 3 INCHES WIDE AND .5 INCH THICK. PANELS WERE REPAIRED AND REINSTALLED IAW MM.