As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF SIP MOD ON THE NR 2 PYLON WEAR DAMAGE FROM A HYDRAULIC LINE CLAMP SCREW WAS FOUND ON THE LOWER WING SKIN. THE DAMAGE IS LOCATED AT APPROX WS 420 AND IS BETWEEN WING STRINGERS L7 AND L8. THE WORN AREA WAS APPROXIMATELY .11 INCH IN DEPTH AND .375 INCH IN DIAMETER. REPAIR ER/A 398071-14.