As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED FOR HEAVY MAINTENANCE. INTERCOSTAL LABELED "INTERCOSTAL SEC 46 STATION 1395-1417 CRACKED THRU FASTENER HOLE. REMOVED AND REPLACED INTERCOSTAL AT STATION 1395-1417 RIGHT BUTT LINE 54 IN ACCORDANCE WITH SRM 51-40-02 AND DRAWING 452T3279.