What was found
DURING FLIGHT 3320, HAD A UNCOMMANDED AUTO COARSEN EVENT. EVENT OCCURRED DURING APPROACH TO CRW, AT 1,000 FT AGL. RT ENGINE AUTO COARSEN, ENGINE CONTINUED TO RUN, LANDED NORMALLY. MAINTENANCE BORESCOPED RT ENGINE, NO DEFECTS NOTED. REMOVED AND REPLACED RT PROP AND RT ENGINE HARNESS IAW TASK CARD 6110-303 AND GE SEI-576 CHAP 72. ALL OPERATIONAL CHECKS GOOD.