As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING DISASSEMBLY TO REPAIR A WING DUE TO EARLIER DAMAGE, THE RIB AT 136.5 WAS FOUND CRACKED AT THE TOP FLANGE. THE RIB WAS CRACKED IN AN AREA OF THE WING THAT WAS NOT DISTURBED BY THE PREVIOUS DAMAGE. THE RIB WAS REPLACED WITH A SERVICEABLE RIB TO RECTIFY THE DEFECT.