As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THE LEFT ENGINE IGNITORS WOULD NOT TURN OFF. THE MAINTENANCE TEAM DETERMINED THAT THE KZ051 RELAY CONTROLLING THE SYSTEM WAS AT FAULT. THE RELAY WAS REPLACED WITH A NEW UNIT AND OPERATIONAL CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.