What was found
FO SEAT FRONT LEFT RAIL ATTACHMENT AREA STARTED SMOKING MOMENTARILY WHEN ELECTRICALLY MOVED AFT TOWARDS THE AFT STOP. THE SMOKING STOPPED. POWER SWITCH WAS TURNED OFF AND POWER TO THE SEAT WAS DISCONNECTED FROM THE AIRCRAFT. SEAT IS JAMMED NEAR AFT STOP. MECHANICAL FORE/AFT ADJUSTMENT INOP. SMOKE DISCOVERED TO BE COMING FROM A AA FLASHLIGHT BATTERY WHICH HAD BEEN CRUSHED IN SEAT RAIL. BATTERY REMOVED AND BURNT CARPET EDGE TRIMMED. FLOOR STRUCTURE AND SEAT RAIL INSPECTED AND FOUND TO HAVE NO DAMAGE. FLIGHT DECK SEAT FOD INSPECTION CARRIED OUT AS PER AMM 25-11-00-200-804. SEAT RECONNECTED AND OPERATION VERIFIED TO BE NORMAL BOTH ELECTRICALLY AND MANUALLY. CREW REQUESTED TO FILL OUT SMOKE/ODUR FORM AND FORWARED TO TOMC.