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(2014) Service Bulletin 1402: STC SA02019SE-D GTN 650/750 AML STC Replace TVS2 Assembly Fuse for Non-metallic, IFR Aircraft


CERTIFICATION APPROVAL:  SA02019SE-D (see Approval section of STC SB1402 for details)

COMPLIANCE:  Mandatory.

PURPOSE:  The previous installation data contains directions to install an incorrectly sized fuse related to the TVS2 assembly. The TVS2 assembly provides lightning protection on the power bus to the GTN. The GTN 6XX/7XX Part 23 AML STC Installation Manual Revisions 5, or earlier, Figure E-4, shows the use of fuse F1 in the TVS2 assembly. Fuse F1: 3AG Fast-Acting, 4A Littelfuse P/N 0312004 must be replaced with fuse F2: 3AG Fast-Acting, 10A Littelfuse P/N 0312010.

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