As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT WING INBD FLAP RIB 25-A IN CRACKED IN THE UPPER RADIUS OF THE HORIZONTAL UPPER FLANGE. REMOVED SKIN; RIB 24; RIB 25A AND 6EA. WEBS IAW SRM 51-40-21, PARA 7. INSTALLED NEW RIB 25A ; OLD RIB 24; THE 6 EA. WEBS AND THE SKIN IAW SRM 51-40-21.