EASA AD 2021-0264R1
Engine — Critical Parts — Replacement
EASA Airworthiness Directive 2021-0264R1 is a regulatory update addressing critical parts replacement for GE Aviation Czech M601 series engines installed on various aircraft including the Aircraft Industries L-410 and L-420, Air Tractor AT series, Allied Ag Cat G-164, Thrush S-2R, and Viking Air DHC-3 Otter. The directive focuses on ensuring the replacement and proper identification of affected compressor cases and drums to prevent engine failures. It mandates compliance with specific life limits and logbook corrections to maintain engine airworthiness.
Airworthiness DirectiveMaintenanceSafety MgmtGe Aviation Czech M601Aircraft Industries L-410Aircraft Industries L-420Air Tractor AT seriesAllied Ag Cat G-164Thrush S-2RViking Air DHC-3 Otter