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(2021) Service Bulletin 21112 Rev B: Vertically Mounted GTA 82 Support Bracket
PRODUCTS AFFECTED:
GTA 82 units installed per the GFC 600 Installation Manual Addendum TBM 700/700N (190-01937-08) Revision 4 and earlier are affected.
CERTIFICATION AUTHORIZATION:
STC SA01844WI
COMPLIANCE:
Recommended: Garmin recommends compliance with this service bulletin within the next 100 hours or the next annual inspection whichever occurs first.
PURPOSE:
A new support bracket improves the stiffness of the GTA mounting structures and helps to prevent possible fatigue failure when subjected to long duration exposure to vibration.