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-07 CHECK A 2 INCH CRACK WAS FOUND IN AFT CABIN INTERCOSTAL FITTING AFT OF THE L-4 DOOR CUTOUT, AT DOOR STOP FITTING BS 1681, WL 248. MAINTENANCE REMOVED CRACKED INTERCOSTAL FITTING AFT OF L-4 DOOR CUTOUT BS 1681, WL 248; FABRICATED A NEW REPLACEMENT INTERCOSTAL FITTING PER DWG 146N8748; INSTALLED REPAIR PART IAW B757-200 SRM 51-40-02.