SMF Thailand.

American Airlines Lost and Found is a central service that helps passengers recover lost items left behind during flights or at airports. If an item is misplaced, passengers can report it through the airline's website or by reaching out to customer service. Lost items are generally stored at the airport or in the American Airlines lost and found office. The airline works      diligently to reunite passengers with their belongings whenever possible, offering the service to both domestic and international travelers.
https://www.airlineterminalsguide.com/blog/american-airlines-lost-and-found/