Portland, Maine - PRELIM INFO FROM FAA OPS PORTLAND ME UAS INCIDENT 1040E PORTLAND APCH ADVISED REPUBLIC 4589

PRELIM INFO FROM FAA OPS: PORTLAND, ME/UAS INCIDENT/1040E/PORTLAND APCH ADVISED REPUBLIC 4589, E170, WESTBOUND ON 4 MILE FINAL RUNWAY 29, OBSERVED A WHITE UAS, UNKN TYPE, AT 600 -700 FEET 4 E PORTLAND. NO EVASIVE ACTION TAKEN. PORTLAND PD NOTIFIED