As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT, SPARKS WERE NOTICED IN THE PROP ARC OF THE #1 ENGINE EVERY 30 SECONDS. REMOVED FROM SERVICE. #1 PROP #1 BLADE DEICE HARNESS REPLACED, AND #3 AND #6 BLADES ON #1 PROP HAD DEICE BOOT REPAIRS ACCOMPLISHED. TESTS SHOW NO SPARKS OR ISSUES FROM #1 PROP DURING USAGE OR TESTS. NO FURTHER DEFECTS NOTED AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.