EXPLANATION OF COLUMNS IN THE MAC,
Column 1, Group Number. Column 1 lists
functional group code numbers, the purpose of which is
to identify maintenance significant components,
assemblies, subassemblies, and modules with the next
Column 2, Component/Assembly. Column 2
contains the item names of components, assemblies,
subassemblies, and modules for which maintenance is
Column 3, Maintenance Functions. Column 3
lists the functions to be performed on the items listed in
column 2. (For detailed explanation of these functions,
see paragraph 2.)
Column 4, Maintenance Level. Column 4
specifies, by the listing of a work time figure in the
appropriate subcolumn(s), the level of maintenance
authorized to perform the function listed in column 3.
This figure represents the active time required to
perform that maintenance function at the indicated level
of maintenance. If the number or complexity of the
tasks within the listed maintenance function vary at
different levels, appropriate work time figures will be
shown for each level. The work time figure represents
the average time required to restore an item (assembly,
subassembly, component, module, end item, or system)
to a serviceable condition under typical field operating
conditions. This time includes preparation time
(including any necessary disassembly/assembly time),
assurance/quality control time in addition to the time
required to perform the specific tasks identified for the
maintenance functions authorized in the maintenance
allocation chart. The symbol designations for the
various maintenance levels are as follows:
C -- Operator/crew
O -- Organizational maintenance
F -- Direct support maintenance
H -- General support maintenance
L -- Specialized Repair Activity (SRA)'
D -- Depot maintenance
Column 5, Tools and Equipment. Column 5
specifies, by code, those common tool sets (not
individual tools) and special tools, TMDE, and support
equipment required to perform the designated function.
Codes are keyed to tools and test equipment in Section
Column 6, Remarks. This column shall, when
applicable, contain a letter code, in alphabetic order,
which , shall be keyed to the remarks contained in
REQUIREMENTS, SECTION III
Column 1, Reference Code. The tool and test
equipment code correlates with a code used in the MAC,
Section II, column 5.
Column 2, Maintenance Level. The lowest level
of maintenance authorized to use the tool or test
identification of the tool or test equipment.
Column 4, National Stock Number. The
National Stock Number of the tool or test equipment.
Column 5, Tool Number. The manufacturer's
part number, model number, or type number.
EXPLANATION OF COLUMNS IN REMARKS,
Column 1, Code. The code recorded in column
6, Section II.
Column 2, Remarks. This column lists
information pertinent to the maintenance function being
performed as indicated in the MAC, Section II.
5 This maintenance level is not included in Section II,
column 4 of the Maintenance Allocation Chart.
Functions to this level of maintenance are identified by
a work-time figure in the "H" column of Section II,
column 4, and an associated reference code is used in
the Remarks column 6. This code is keyed to Section
IV, Remarks, and the SRA complete repair application is