As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) 4 SECONDS AFTER ENGINE STARTER ENGAGE, N2 RPM STARTED DROPPING. SLIGHT SOUND DURING STARTER FAILURE BUT MOSTLY UNNOTICEABLE FROM THE FLIGHT DECK. THE STARTER SUFFERED AN EXPLOSIVE FAILURE PRIOR TO FUEL BEING INTRODUCED IN THE START SEQUENCE. THE DEBRIS FROM THE FAILED STARTER WERE CONTAINED WITHIN THE COWLING. THE STARTER WAS REPLACED. (TC# 20190703008)