As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT D CHECK INSPECTION FOUND NUMBER 4 ENGINE INBOARD CORE COWL RIVET PULLED THROUGH LOWER EDGE. REMOVED AND REPLACED LOWER AFT SECTION AND DAMAGED FASTENERS IN ACCORDANCE WITH ENGINEERING DISPOSITION EO MAS-J217-N919CA-008 REV IR AND SRM 51-40-02.