As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL ODOR COMING FROM SEATS 9AB. SELECTED RED TOGGLE SWITCH TO OFF & ODOR DISSIPATED. SEAT 9AB ECB CIRCUIT BREAKER PULLED AND COLLARD. FOUND SEAT POWER MODULE WITH SOOT AROUND MOUNTING FRAME AND BURNED ODOR EMANATING FROM UNIT. REMOVED AND REPLACED IAW AMM 23-34-18. SEAT 9B VIDEO & AUDIO OPS CHECKED GOOD.