Supplement No. 1 to Service Bulletin No. 475 C

Crankshaft Gear Modification and Assembly Procedures Supplement 1

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Date: September 12, 2016

REASON FOR SUPPLEMENT

Provide an alternate method of compliance to Service Bulletin No. 475C if the crankshaft gear is replaced rather than modified.

NOTICE: Incomplete review of all the information in this document can cause errors. Read the entire Supplement to make sure you have a complete understanding of the requirements.

The FAA has approved this supplement as an Alternate Method of Compliance to Airworthiness Directive 2004-10-14.

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