As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ATTEMPTED START IGNITERS FAILED TO ACTIVATE. INVESTIGATION REVEALED CIRCUIT BREAKER HAD POPPED. RESETTING THE BREAKER FOR A GROUND TEST REVEALED AN UNEVEN IGNITER RHYTHM NO NORMALLY FOUND WITH THIS IGNITION SYSTEM, IGNITER BOX WAS CHANGED AS A PRECAUTION. THIS PART HAS BEEN DEEMED NON REPAIRABLE BY THE ENGINE MFG, AS NO SECOND BOX IS EMBODIED REPLACEMENT OF ANY SUSPECT BOX IS PRUDENT. (K)