What was found
DURING CLIMB, AT ABOUT 10,000 FEET THE CREW RECEIVED MULTIPLE CAUTION MESSAGES. CREW RAN THE QRH BASED ON THE MESSAGES AND WERE LEAD TO BELIEVE IT WAS A POSSIBLE ELECTRICAL ISSUE. THE FLIGHT ATTENDANT KNOCKED ON COCKPIT DOOR TO NOTIFY CREW THAT THE CHIMES AND PA SYSTEM WAS NOT OPERATIVE. CREW WAS UNSURE IF FLAPS WOULD BE AVAILABLE FOR LANDING AND DECIDED TO DECLARE AN EMERGENCY WITH ATC AND PREPARED FOR A FLAPS ZERO LANDING IN KORD. AIRCRAFT REMOVED FROM SERVICE. SPLICED WIRE CB1 WIRE # PA238B8 IAW ESPM 20-16-00 OPS CHECKS GOOD.