Manual Number 9019161 Revision C, August 18, 2023 9
aircraft installation conditions are within the TSO standards, specification of the article, and
deviations as listed above. TSO articles must have separate approval for installation in an aircraft.
The article may be installed only according to 14 CFR part 43 or the applicable airworthiness
requirements.
MODIFICATION
This product has a nameplate that identifies the manufacturer, part number, description,
certification(s) and technical specifications of the unit. It also includes the “MOD” or modification
number representing notable changes in the hardware design of the unit.
Modification (MOD) 0 is the initial release of the product and is identified on the nameplate by the
lack of marking on the MOD numbers 1 through 9 (i.e. 1-9 are visible). All subsequent
modifications are identified on the nameplate by the marking/blacking out of that particular MOD
number (i.e. for MOD 1, the number 1 is not visible and 2-9 are visible - see Figure 2.1 for
examples). MODs do not have to be sequentially inclusive and may be applied independent of each
other.
For additional details regarding specific changes associated with each MOD status refer to the
product published Service Bulletins at www.mcico.com.
Figure 2.1 Nameplate and MOD Status Example
MOD 0
MOD 1
MOD 1 & MOD 2
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