hydraulic ad

[widgeon]

At the risk of stirring up a hornets nest I noticed a new AD on all helicopters  of a certain type that have Samm servos overhauled by Hawker Pacific . What has caused this ?

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[Elvis]

The link does not work, I tried and get the cannot find prompt.

 

[407 Driver]

SUMMARY: This amendment adopts a new airworthiness directive (AD) for the specified Eurocopter France (Eurocopter) model helicopters that requires removing certain main servocontrols and replacing them with servocontrols that do not fall within the "Applicability" of this AD at specified intervals. This amendment is prompted by the discovery of an incorrect tightening torque load found on servocontrols that were overhauled by Hawker Pacific Aerospace. The actions specified by this AD are intended to prevent thread failure, separation of the upper end fitting that attaches the servocontrol cylinder to the upper ball end- fitting, and subsequent loss of control of the helicopter.

[Elvis]

TKS Mag ,a few more clicks of the mouse and I found the info.