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Check if the servo is not forcing against the casing. The angles just need to be in the right position and not force against ay part. If the servo is being forced then it could fail.

I never had a servo failing (still using the same servo+sensor pair since the first prototype!) My current board is a Duet2 Ethernet.

DC42, from Duet3D, recommended to put a small 220uF capacitor to filter any high voltage due to the servo start moving but it is to protect the board and not the servo :D.