What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK A CRACK WAS FOUND ON STRINGER 16 RT, AT BS 500C+4. MAINTENANCE TRIMMED OUT CRACK ON STRINGER 16 RT AT BS 500C+4; FABRICATED REPAIR CHANNEL, RADIUS FILLER, AND FILLER; INSTALLED REPAIR PARTS IAW AWA ER 03-5312-01094-DD1.