![]() Dent in Dim “R” that exceeds the Approved Maintenance Manual Limits. This allows the engineers to identify damage blades that could not have been repaired in-situ via the Borescope Blade Blend Technique i.e. The procedure allows for the Top and Bottom High Pressure Compressor Cases to be removed to expose the High Pressure Compressor Blade. The procedure can be carried out on CFM56 series, GE90 series, CF6 series and CF34 series engines. This versus sending the engine back to the Engine Original Equipment Manufactures saves the operator many thousands of pounds in downtime and logistics cost. Topcase is a procedure that is carried out when an engine is removed off wing and the repair is carried out at the engine facility at an airport or Maintenance Repair Organisation. ![]()
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