GE MS-6001B - Second and Third-Stage Bucket Repair Limits

Hot Gas Path Inspection — Inspection ProceduresInspection and Maintenance — GEK 107048
HGP-I-13
Figure HGP-I.12. Second and Third-Stage Bucket Repair Limits.
1.5
Inch
0.24
Inch
Max.
Depth
Second Stage
Repairs Allowed In
the Outer One-Fifth
of the Airfoil
Smoothly
Blended
30°
30°
Max
0.25
Inch
Cross Hatched Line Shows
Portion of Shroud That
Mat Be Removed
0.35
Inch
Repairs Allowed In the
Outer One Third of the Airfoil
0.35
Inch
Max
Depth
Third Stage
Major Material Removals Within 2.0 In. of the Tip Shroud Should Be Accompanied By Removal of the Tip Shroud.