SB1-19 Mandatory inspection of impulse coupled Slick magnetos

SB1-19 Mandatory inspection of impulse coupled Slick magnetos

DATE: February 6, 2019 Service Bulletin No. SB1-19
SUBJECT: Mandatory inspection of impulse coupled Slick magnetos
MODELS AFFECTED: The following magneto models with serial numbers between 16010001 and 18050664:

4301, 4303, 4316, 4330, 4333, 4346, 4354, 4371, 4372, 4373, 4374, 4381, 4392, 6310, 6314, 6320, 6324, 6331, 6351, 6352, 6355, 6361, 6362, 6364, 6367, 6377, 6379,6380, 6382, 6399

NOTE: 16010001 = SN manufacture date of January 2016 and 18050664 = SN manufacture date of May 2018

COMPLIANCE: Inspect affected magneto models for movement of impulse coupling stop pin at the next convenient maintenance interval, not to exceed the next 100 hours or 400 hours Time in Service (TIS), and every 500 hours thereafter. Alternatively, replace the affected magneto with an approved model magneto, outside the above serial number range, or compliant with the SB1-19 dimensions herein for the stop pin. Document service bulletin compliance as written entry in the applicable Aircraft and/or Engine logbook.

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