As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A MIS-DRILLED HOLE WAS FOUND ON THE FORWARD LH KEEL BEAM (PN: 350A21-1350-20), AFT LH KEEL BEAM (PN: 350A21-1056- 20) AND FWD KNOT ASSEMBLY LH SPLICE (PN: 350A21-1071-20) LOCATED AT Y400 X 1296. TOOL MARK DAMAGE WAS ALSO DISCOVERED ON THE FWD KNOT ASSEMBLY LH SPLICE (PN: 350A21-1071-20).