EASA 2023-0194

Supersedes EASA AD 2018-0260 to require a modification to improve the link of the suspension bar attachment fittings of the main gearbox (MGB) suspension bars, including the introduction of improved MGB suspension bar attachment fitting screws. The modification serves as a terminating action for some of the previously required actions. The ADs stemmed from a review of in-service data that revealed installation findings on the loss of tightening torque of the attachment screws of the upper deck fittings of the three MGB suspension bars. This condition, if not corrected, could lead to structural failure of the affected parts on EC 225 LP and AS 332 L2 helicopters, possibly resulting in detachment of MGB suspension bars and in consequent loss of control of the helicopter.