What was found
CLT - FLT 1806 - EN ROUTE FROM BNA TO PHL, 60 MILES SOUTHWEST OF CRW, F/A TOLD CAPTAIN THAT A STRONG ELECTRICAL SMELL WAS NOTED IN THE CABIN AROUND SEAT ROW 4A. CAPT DECIDED TO DIVERT TO CLT AND DECLARE AN EMERGENCY. CAPTAIN DID NOT DIVERT TO CRW OR ROA DUE TO A THRUST REVERSER ON MEL AND A LONGER RUNWAY NEEDED. FLT LANDED WITHOUT FURTHER INCIDENT. PASSENGERS DEPLANED AT THE GATE. MX FOUND THE LEFT AIR CONDITIONING PACK TRIPPING ON THE GROUND. OPENED CEILING PANELS, CARGO BINS AND E/E BAYS. OPERATED ALL CABIN LIGHTS AND EQUIPMENT. COULD NOT DUPLICATE SMELL OR PACK TRIP. REPLACED LEFT PACK WATER SEPARATOR BAG. OPERATED PACKS. AGAIN, NO SMELL OR PACK TRIP NOTED DURING GROUND OPERATIONS. (M)