What was found
DURING TAXI AND START OF RT ENG, HAD NO ROTATION AND SPARKS FROM STARTER AREA AFTER START VALVE OPENED. STARTER FAILED AND ALSO DAMAGED THE START VALVE. REPLACED STARTER AND START VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI AND START OF RT ENG, HAD NO ROTATION AND SPARKS FROM STARTER AREA AFTER START VALVE OPENED. STARTER FAILED AND ALSO DAMAGED THE START VALVE. REPLACED STARTER AND START VALVE.