Propeller shaft repair by flame spray in the cones area

[Iwan Sedaryawan CA]

dear all.
if anyone has the experiences Ship Propeller shaft repair by flame spray in the cones area, is this recommended by the authority of marine mechanical board or others bodies ?

thanks ad regards
iwan sedaryawan / sedaryawan@ciptaagung.com

[Stephen Booth]

Hi Dr. Iwan hope you are well?

What is the this component called the "cones area"?

Surely all critical repairs are subject to Marine Authorities certification.