As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE START SMOKE AND SPARKS WERE SEEN COMING FROM TAILPIPE OF NR 1 ENGINE. ON ENGINE START NOTIFIED BY GND CREW THAT SMOKE AND SPARKS WERE COMING FROM TAILPIPE OF NR 1 ENGINE. SPARKS CAUSED BY FAULTY STARTER. CHECKED INLET EXHAUST AND CHIP DETECTORS PRECAUTIONARY. ALSO ACCOMPLISHED GENERAL VISUAL OF ENGINE. NO FAULTS FOUND. RE-STARTED ENGINE THREE TIMES AND VERIFIED NORMAL OPERATION WITH NO FURTHER SPARKING. REPLACED STARTER AND START VALVE.