Manufacturer
Airbus Helicopters
Number
FAA 2025-13-09
Model(s)
AS355N2/N3, EC155B/B1, and SA365N/N1
Published Date
Effective Date
Summary
Requires inspecting the tightening torque between the upper ball bearing end and the main rotor servo-control and performing any necessary corrective action(s). This AD also requires reporting information to the FAA. Prompted by reports of loss of tightening torque on the affected parts.
Company Reference
Aircraft Reference