As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B757 L/E SLAT T/E WEDGE CHANGE PER EO 6-74595-3AD, THE NR 10 L/E SLAT I/B END RIB HAD ONE HOLE OVERSIZED IN THE I/B END RIB AT OSS 707. PER ER/A 387211-14AD THE SUBJECT PART WAS REPAIRED BY OVERSIZING THE DISCREPANT HOLE TO ACCOMODATE A .25 DIA BLIND BOLT.