As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE ACCOMPLISHMENT OF THE 2KU INSTALLATION PER GOGO DWG D18470-22207 REV C, AT FS 620 BETWEEN S-2R AND S-3R, MAINTENANCE FOUND AN EXISTING HOLE (0.159 DIA) FOR AN INSULATION BLANKET RETAINING CLIP THAT WILL FALL UNDERNEATH THE INTERCOSTAL BRACKET. REPAIRED PER ERA 563978-14.