EASA 2022-0246

Requires repetitive inspections of each main rotor blade and, depending on findings, replacement. Prompted by several reported occurrences of debonding of the main rotor stainless steel leading edge protection, resulting in significant unbalance of the main rotor and, consequently, a high level of vibration. If not detected and corrected, this condition could lead to the failure of the main rotor and/or the main gearbox.