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YO-233-B2A Engine Maintenance Manual
TEO-540-A1A Engine Maintenance Manual
Revision
Revision
Date
Original
© 2021 Avco Corporation. All Rights Reserved
February 2021
RECORD OF REVISIONS
Revised By Revision Description
Original Release of Maintenance Manual – MM-YO-233-B2A
(Supersedes Maintenance Manual LM-YO-233, dated June 2012).
MM-YO-233-B2A has been formatted and incorporates changes
included in recently released and FAA approved maintenance
manuals. This manual contains the same basic information as LM-
YO-233 with significant changes to several chapters including 05-
00, 05-30, 05-50, 12-10, 72-30, and 74-30. This manual also
includes a description and instruction for an approved alternate
ignition system.
Record of Revisions
Page i
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