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-20 CHECK A .25 INCH CRACK WAS FOUND ON STRINGER 16 RT AT BS 500C, AFT OF LEADING EDGE LIGHT ASSEMBLY. MAINTENANCE CUT OUT DAMAGED END OF STRINGER 16 RT AT BS 500C; FABRICATED FILLER AND REPAIR CHANNEL; INSTALLED REPAIR PARTS IAW AWA ER 03-5312-01094-DD1.