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-16 CHECK A 3/4" CRACK WAS FOUND ON STRINGER 16 L/H AT FASTENER HOLE BS 500C+4. MAINTENANCE TRIMMED OUT DAMAGE ON STRINGER 16 L/H AT BS 500C+4 AND PERFORMED A HFEC INSPECTION TO VERIFY NO CRACKS EXIST. FABRICATED A REPAIR CHANNEL AND RADIUS FILLER, AND INSTALLED REPAIR PARTS IAW AWA E.R. 035-5312-01094-DD1.