(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.