silvrado17 Posted September 9, 2011 Report Share Posted September 9, 2011 Would the use of a double pointed scribe to scrape, chip, &/or fragment the caked/baked on debris (carbon &/or crystallized sand) coating on the Ng blades of a turbine engine be considered an "approved procedure"? I witnessed this in my organization, it didn't seem right & was told to 'go away' when I questioned it (another flag). The practice of using a scribe seems as though it could cause a stress point which could ultimately lead to a fatigue fracture & catastrophic engine failure. Any engine gurus out there that can shed any insight on this? Quote Link to comment Share on other sites More sharing options...
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