Preliminary Inspection

Cleaning

Removing Cracks and Other Damages by Benching

Evaluation of Coating, Test Pieces

Identify Parts

Blasting

Cleaning

Coating of Cooling Holes

Sampling

Chemical Stripping of Gas Path

Blasting

Primary MCrAlY Coating via Test Pieces

Sample Evaluation

Blasting

FPI

Primary MCrAlY Coating via Coupons

Dimensional Inspection

Opening Cooling Holes - if required

Dimensional Check

MCrAly Coating on Main Parts

Identification Report

Stripping of Cooling Holes

Ultrasonic

Evaluation of Applied Coating

Blasting

X-Ray Inspection

Diffusion Heat Treatment

Heat tint

Preparation for Welding

Benching Overspray

Grinding, Remove Residual Coating

Cleaning

Over Aluminide Coating via Test Pieces

Blasting

Welding

Over Aluminide Coatings on Gas Path

Heat tint

Blasting

Evaluation of Applied Coating

Remove Residual Coatings

Cleaning

Final Heat Treatment

Blasting

Brazing - if required

Evaluation of Applied Heat Treatment

Solution Heat Treatment

EDM - if required

VT

Sampling

Blasting

FPI

…

Cleaning

Final Benching

…

Dimensional Check

Cleaning

Incoming Report

VT

Fine Blasting

FPI

VT

Repair Report

Final Report