What was found
REF CP 22367677 DUE TO ATG-4000 WIFI REMOVAL COMPLY WITH REPAIR TO FUSELAGE SKIN BETWEEN FS863.00 - FS879.00 AND STR 20L - 23L THIS IS A " MAJOR REPAIR " FORM M-337 INITIATED. (FILED CLOSED) COMPLIED WITH REPAIR TO FUSELAGE SKIN BETWEEN FS863.0.00 - FS879.00 AND STR 20L - STR 23L IAW REO 670-53-51-212 REV -- REF CP 22727650 FOR NDT OF REPAIR CUT OUT AND CP 22727683 FOR NDT OF ROTARY PROB EDDY CURRENT AND CP 22727816 FOR PRESSURIZATION CHECK. FORM M-337 COMPLETED.