As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - MAJOR REPAIR - DURING C-10 CHECK A .5 INCH CRACK WAS FOUND IN INTERCOSTAL AT LT CABIN SIDEWALL BS 660, LBL 70, WL 231. MAINTENANCE REMOVED CRACKED INTERCOSTAL AT LT CABIN SIDEWALL BS 660, LBL 70, WL 231; FABRICATED A NEW REPLACEMENT INTERCOSTAL AND CLIP; INSTALLED REPAIR PARTS IAW T/C M1C53612.