As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT MLG ATTACH RIB FITTING WAS CORRODED AT THE MLG RETRACT ACTUATOR ATTACH FITTING LOCATION. ATTACH RIB UPPER AND LOWER ACTUATOR ATTACH PAD FASTENER HOLES WERE OVERSIZED. VERTICAL WEB AND FLANGES HAVE BEEN MACHINED/LOCALLY BLENDED PER DL ERA 272017-14.