As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE DRILLING THE NR 1 PYLON INBD FWD 311N5193-2 SKIN PANEL NUMEROUS FASTENER HOLES WERE OVERSIZED AND ELONGATED. THE NUMEROUS FASTENER HOLES THAT WERE OVERSIZED AND ELONGATED WERE REPAIRED AND A NEW 311N5193-2 SKIN PANEL INSTALLED PER MAE EA NR 757-5452-16-A1808 REV A. COMPLIED WITH FEDEX EA NR F-5450-124028 REV A ON NR 1 PYLON INBOARD SKIN.