As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXPOSED WIRE AND LOCALIZED TICKING NOISE COMING FROM BELOW ROW 34/35 ABC. IDENTIFIED THE CAUSE AND REPLACED THE PART WITH VERIFICATION OF NO MORE CLICKING SOUNDS. PAC SWEEP FIND SEATS 35ABC OUTLETS INOP AUDIBLE CLICKING COMING FROM HP SEATBOX UNDER SEAT 34B. SEATS 35ABC VIDEO FUNCTIONS NORMALLY. REMOVED AND REPLACED HP SEATBOX AT SEAT 34B IAW AMM 23-32-07-000-801. OUTLETS AT SEAT 35ABC FUNCTIONS NORMALLY. WAITED OVER 20 MINS AND NO CLICKING NOISE CAN BE HEARD.