On section (j) Table 4 for the Initial Torque Inspection Threshold for JT8D-217C and -219 Engines, on line (5) for Refurbished "Modified" blades, there are listed blades post SB 6412, however the term "Modified" does not apply to these blades as they all are "As-Cast". (Ref. P&W SB 6412).
Best Regards.
Turborreactores S.A. de C.V.
This is comment on Rule
Airworthiness Directives: Pratt and Whitney JT8D-209, -217, -217A, -217C, and -219 Series Turbofan Engines
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