As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION OF THE RT WING MLG BEAM OUTBOARD ATTACH FITTING REVEALED A CRACK EMANATING FROM A FASTENER HOLE COMMON TO THE REAR SPAR UPPER CHORD. INSPECTION OF THE BOLT HOLE REVEALED TOOLING DAMAGE COMMON TO THE REAR SPAR CAP AND WEB. THE HOLE WAS OVERSIZED TO REMOVE THE TOOLING DAMAGE AND AN OVERSIZE FASTENER INSTALLED. THE FITTING CRACK IS TYPICAL OF S/B B737-57-1216. REPAIR IS TIME-LIMITED PER ER/A378948.