What was found
PDIS 907 23-30 1924381 25NOV18 PHL ASSGN FWD FLIGHT ATTENDANT HANDSET EMITS SMOKE WHEN IN OPE RATION. MX SWAPPED FORWARD AND AFT HANDSETS. FACT 25NOV18 10:22 PHL PERFORMED OPS CHECK OF PA SYSTEM IAW 23-31-00. ICU PANEL INTERPHONE LIGHTS REMAIN ON, CHIME DOES NOT OPE RATE WHEN COMMANDED FROM ICU OR PASSENGER SIGN SWITCHES. FWD FA HANDSET PA INOP. FLIGHT DECK TO CABIN FU NCTION INOP. SWAPPED FWD AND AFT FA HANDSETS IAW 21-31-03 AND PERFORMED OPS CHECK. NO FIX.