As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT WENT TO START ENGINE AND HAD NO LIGHT OFF.TRIED TWICE TO START ENGINE AND HAD NO LIGHT OFF. IGNITION EXCITOR BOX WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE.NOTE: THIS IS TYPICAL FOR PILATUS IGNITOR BOX. THE SAME BOX WILL LAST 2-3 TIMES LONGER ON A BEECH 99 OR A100.