EASA Regulations for Airbus Helicopters EC 225 LP

Eurocopter EC 225 LP helicopters - Main Servo Control Check

EASA Safety Information Notice No. 2007-46 addresses a manufacturing defect in the main servo control units of Eurocopter EC 225 LP helicopters. The defect involves incorrectly positioned retaining rings on the coupling tube of the servo control distributors, potentially causing untimely piston rod movement during hydraulic pressurization. This notice informs operators and maintenance personnel about the issue and references the French DGAC Emergency Airworthiness Directive UF-2007-022 for mandatory checks and replacements.