As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DE-MOD OF THE GOGO 2KU SYSTEM, AN ELONGATED HOLE MEASURING 0.305" L X 0.300" W WAS LOCATED AT FRAME 47 BETWEEN STRINGERS 1R AND 2R. PER DRAWING DG211-9932-01, THE FRAME WAS INTENDED TO HAVE A #5 FASTENER AT THE LOCATION NOTED. THE FINAL HOLE SIZE PRIOR TO INSTALLATION IT 0.309".