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… (P/N C-792-1). A two-piece (aluminum) hub retains each propeller blade on a thrust bearing. During propeller overhauls, numerous thrust bearings have been found … to blade separation with catastrophic results. While the propeller is operating, the following forces are constantly …
26.601
… resulting from high pressure turbine (HPT) blade distress due to operation in harsh environments. Background: There … where the blade failure was a result of thermal fatigue due to blocked cooling air passages. Experience has … turbine vanes, blades and shrouds that are damaged due to the accumulation of contaminants over time in the …
25.318