Mr Spock has written a really nice and detailed How-To, showing how you can replace the defective microswitches in your old SmartHome 2384/2385 SwitchLinc switches (these are X-10 switches).
[How-To] Microswitch replacement procedure for the SmartHome 2384/2385 SwitchLincs
[How-To] Microswitch replacement procedure for the SmartHome 2384/2385 SwitchLincs