As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSPECTION AN OPERATIONAL CHECK REVEALED VERY SLOW FUNCTION ON (1) OF THE (2) IGNITERS POWER CIRCUITS. A NEW IGNITER BOX WAS INSTALLED AND OPERATIONAL CHECK WAS NORMAL. THIS PARTIAL LOSS OF A CIRCUIT IS TYPICAL FOR THIS ASSEMBLY. USUALLY THIS UNIT IS TROUBLE FREE.