As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MX PERFORMING INSP, IT WAS NOTED THAT THE FRAME LOCATED AT BS 380 BETWEEN STRINGER 5L AND 6L HAS A HOLE DRILLED IN THE RADIUS. DAMAGED AREA WAS REMOVED DIM .375 INCH X .375 INCH. FABRICATED ANGLE REPAIR FROM 7075 T6 .063 INCH DIM 7.5 INCH X 3.5 INCH. INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.