The TSA (Transportation Security Administration) has a very specific protocol for inspecting locked luggage to ensure security without damaging your property. If your bag triggers an alarm during the initial X-ray screening and needs a physical inspection, officers will first look to see if the bag is secured with a TSA-recognized lock. These locks feature a special "master key" cylinder that allows TSA officers to use a universal key to open the bag, conduct the search, and relock it afterward. If you use a non-compliant lock (like a standard padlock), the TSA is legally authorized to cut or break the lock to gain entry; they are not responsible for the damage caused by removing non-TSA approved security devices. Once the search is complete, the officer is required to place a "Notice of Baggage Inspection" inside the suitcase so you know why it was opened. In 2026, many airports use advanced CT scanners that create a 3D image of the bag's contents, which has significantly reduced the number of bags that require a physical hand-search. To avoid travel headaches, always look for the "Travel Sentry" red diamond logo on your locks before heading to the airport.