does anybody know anything about repairing an alto sax? whenever i hit the third key down it squeaks

I Know a Little Bit

TRY TO RIG A LEAK LIGHT WITH A SMALL PENLIGHT OR SOMETHING SIMILAR. THIS WILL TELL YOU IF YOUR KEY PAD IS NOT SEALING PROPERLY. CHECK YOUR PADS FROM CRUD BUILDUP. IF YOU DO NOT USE GET SOME CHARLIES CRUD PATCHES AND USE ONCE A MONTH OR SO. IF YOU HAVE A SET OF KEY CLAMPS IT WIIL MAKE LIGHT TESTING A LOT EASIER. IF NO LEAKS ARE FOUND YOU NEED TO SEE A REPAIR PERSON TO CHECK KEY HEIGHT SETTINGS.