As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND RT ENGINE FAILED ON TAKEOFF. HEARD POPPING AND THEN PROP AUTO COARSENED. PERFORMED BORESCOPE NO DEFECTS NOTED, FOUND BROKEN IGNITION LEAD. REMOVED AND REPLACED RT ENGINE OUTBOARD IGNITER LEAD, PN 4052T54P02 SN ON UNJM3914, SN OFF UNJC3349. OPS CHECKS GOOD.