As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION, DISCOVERED DAMAGE ON NUMEROUS INTERCOSTALS LOCATED BETWEEN STATIONS 256 AND 945. LEFT AND RIGHT SIDES, CAUSED BY PERSONNEL ERROR (WORKMANSHIP). INTERCOSTALS WERE REMOVED AND REPLACED WITH FABRICATED INTERCOSTALS. REFERENCE EVERGREEN INTERNATIONAL AIRLINE ENGINEERING CHANGE/REPAIR AUTHORIZATION NR ECRA 932-53-029-2. (M)