As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH FLT 2860 FLG-PHX. DECLARED EMERGENCY FOR NR 1 ENGINE FIRE ON ENGINE SHUT DOWN. WHEN THE CREW WAS SHUTTING THE ENGINE DOWN THE CAPTAIN NOTICED SMOKE AND SPARKS COMING FROM THE NR 1 ENGINE. MX INSPECTED ENGINE AND FOUND NO EVIDENCE OF A FIRE, BUT FOUND THE DC STARTER GENERATOR IS BAD. THE DC STARTER GENERATOR IS WHAT CAUSED THE SMOKE AND SPARKS. MX IS CHANGING THE NR 1 DC STARTER GENERATOR.