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-18 CHECK A 1 INCH CRACK WAS FOUND ON STRINGER 16 LT AT LIGHT ASSEMBLY BS 500C. MAINTENANCE TRIMMED OUT CRACK ON STRINGER 16 LT AT LIGHT ASSEMBLY BS 500C; FABRICATED A REPAIR CHANNEL AND RADIUS FILLER; INSTALLED REPAIR PART IAW AWA ER 03-5312-01094-DD1.