What was found
FAINT ELECTRICAL SMELL IN F/A BUNK ROOM. SEEMS TO BECOMING FROM RIGHT ARMREST OF AFT BUNK ROOM RIGHT SEAT. REMOVED PART THAT SEEMS TO HAVE OVERHEATED. PROBLEM SEEMS SOLVED, CONT TO SFO. *S/D* FOUND SEAT ELECTRONICS UNIT PCN 580-9110 OVERHEATED. REPLACED SEU AND AUDIO CONTROLLER, OPS CHECKED OK REF MM 23-34-03-401 (AUDIO CONT = DIGITAL PASSENGER CONT UNIT). SEAT ELECTRONICS UNIT REFERENCED BELOW WAS FOUND TO HAVE A FAILED CAPACITOR IN THE POWER SUPPLY CIRCUIT CAUSING UNIT TO OVERHEAT. NO EVIDENCE OF CHARRING WAS NOTED ON CIRCUIT BOARD.