As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-19 CHECK THE LEFT INBOARD MID-FLAP LOWER SKIN WAS FOUND CHAFED AT WS 100. MAINTENANCE BLENDED OUT DAMAGE ON LEFT INBOARD MID-FLAP LOWER SKIN AT WS 100; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW ER 03-5753-05112-RC2.