As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE RIGHT WING RIB 5 CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT WING RIB 5 IAW EO EM-57MR-595. THE AIRCRAFT WAS RETURNED TO SERVICE UPON COMPLETION OF THE HMBV CHECK.