As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT BOTH F/A HANDSET WORK IN PA ONLY BUT NO CALL FUNCTIONS AVAILABLE. BOTH EMERGENCY AND CAB CALL BUTTON INOPERATIVE FROM FLIGHT DECK. NO CHIMES WHEN PUSEHED AND NO RAINBOW LIGHTS. MAINTENANCE RESET PA CIC IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.