The overhaul procedures for an aircraft propeller component have varying degrees of complexity but essentially follow the same steps.
Validation of the component
Initial inspection for suitability and compliance for overhaul
Strip and clean inspection
Individual component parts measurement and data logging
Paint, de-ice, adhesives and coating removals
Component overhaul procedures, blade grinding, polishing and machining work.
Non destructive testing procedures. Dye penetrant, magnetic particle, eddy current and ultrasonic.
Finishing procedures, surface protection, paint and plating.
Assembly and testing.
Certification for return to service.