What was found
FLIGHT 2025. SMOKE COMING FROM #1 ENGINE IN FRONT OF FAN. ON ENGINE START. BURNING ODOR WAS DETECTABLE IN FLIGHT DECK AND CABIN. ODOR DISSIPATED IN CABIN DURING TAXI OUT. FLIGHT FLEW UNEVENTFUL TO DESTINATION. DURING POST FLIGHT WALK AROUND NOTED SMOKE EMANATING FROM BETWEEN FAN BLADES ON ENGINE #1. AN IDLE ENGINE RUN GENERATED AN ODOR DESCRIBED AS "DIESEL" THAT AGAIN QUICKLY DISSIPATED, HOWEVER SMOKE WAS SUBSEQUENTLY OBSERVED APPROXIMATELY 10 MINS AFTER SHUTDOWN OF THE #1 ENGINE. REMOVED FROM SERVICE. PERFORMED IDLE AND HIGH POWER ENGINE RUNS ON THE #1 ENGINE. RAN PACKS NO ABNORMAL SMOKE OR DOR PRESENT AT THIS TIME. NO PARTS REPLACED.