As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIGRATION ON SKIN PANEL SHIM ID# 1A WAS NOTED ON MEASUREMENT ID# 2B AT INBOARD DRAG FITTING OF THE RH WING, PER CARD 5720-01100-0101B, STEP 17. (RH-MOT 2). CORRECTIVE ACTION: SUMMARY OF NRC S/N 00492, SHIMS WERE REPLACED PER ER/A 581628-14AD REV ORIG, AND ETI-57-19-099 REV 9.