What was found
BOTH COCKPIT AND FORWARD F/A ARE UNABLE TO TALK TO F/A IN AFT OF ACFT VIA INTERCOM. AFT HANDSET INOPERATIVE, R & R DEU B POSITION 300-RH-1. DISCOUNTED ALL CONNECTORS AT AFT FA SEAT ASSY, RECONNECTED, OPS CHECKED NORMAL OF AFT AND FWD HANDSETS.