Although it may look like a simple process, it is always best to take this type of a repair directly to your repair technician. Theoretically, it is a simply process to reshape the tenon. However, because the metal is soft, it is also very easy to cause more damage to the instrument if one attempts this repair without the skill and experience of an authorized repair tech. As you can see, a successful repair with leave your flute's tenon as good as new -- perfectly cylindrical and sealing properly.
|Gap between tenon and mandrel is visible on the left|
|Reshaping begins by tapping tenon against mandrel|
|Gap is now closing from the tapping process|
|This side is much more flush against the mandrel|
|Final step is burnishing tenon along mandrel|
|Tenon is round again -- good as new!|