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(2020) Service Bulletin 2084 Rev A: Added PMA Stiffener AY185 RH and alternative location for collective position sensor installation


PRODUCTS AFFECTED:

GFC 600H systems installed under the GFC 600H Part 27 STC SR02647SE in Airbus Helicopters AS 350 B2 and B3 models are affected.

CERTIFICATION AUTHORIZATION:

STC SR02647SE

COMPLIANCE:

Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable.

PURPOSE:

This STC Service Bulletin provides notification of an update to STC SR02647SE Master Drawing List Revision 3.

Updates include:

  • Addition of the PMA Stiffener AY185 RH to the Garmin supplied STC installation kit

NOTE
The stiffener is required to support the pitch & roll servo bracket.

NOTE
The installation data previously considered the stiffener as an existing part, but most rotorcraft are not equipped with it. It is now referenced as a Garmin part number.

  • Instructions for installation of the yaw servo bracket are revised to require the bracket to be mounted on the outboard side of the existing stiffener AY480 RH, if the stiffener flanges point inboard
  • Collective position sensor installation includes alternative location on the outboard face of the existing center beam Y398.5 LH


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