As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING, A MECHANIC REPORTED SPARKS COMING FROM LEFT ENGINE ON REVERSE THRUST AND WHEN BACK INTO POSITIVE THRUST COMING OFF RUNWAY. ALL ENGINE INDICATIONS WERE NORMAL. INSPECTED INLET AND EXHAUST. NO DAMAGE NOTED. NO FADEC FAULTS REPORTED.