EASA Regulations for CFM International LEAP-1B28

Potential Risk Management Issue after Engine Load Reduction Device Activation

EASA Safety Information Bulletin 2025-06R1 is an updated advisory addressing potential risk management issues following activation of the Load Reduction Device (LRD) on CFM International LEAP engines powering Boeing 737 Max and Airbus A320 NEO family aircraft. The bulletin highlights incidents where LRD activation after bird strikes caused oil leakage into the Environmental Control System (ECS), resulting in smoke in the cabin and flight deck. It provides information on the nature of the hazard, affected aircraft systems, and interim mitigation measures.