As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 3017 THE CREW REPORTED THAT DURING APU START ATTEMPT APU ROTATION STOPS AT 29% EICAS MESSAGE "APU FAIL" PRESENTED. SMOKE REPORTED BY GROUND CREW COMING FROM APU. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED FUEL SOLENOID VALVE IAW CMM 49-31-02 OPS CHECK AND LEAK CHECK PER EMB 140 49-13-00 . THE OPERATIONAL CHECK AND LEAK CHECK WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.