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 fig-
ure 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 maintenance lev-
els, 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 con-
dition under typical field operating conditions. This time includes preparation time (including any necessary disas-
sembly/assembly time), troubleshooting/fault location time, and quality assurance/quality control time in addition
to the time required to perform the specific tasks identified for the maintenance functions authorized in the Mainte-
nance Allocation Chart. The symbol designations for the various maintenance levels are as follows:
Operator or Crew
Direct Support Maintenance
General Support 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.
Column 6, Remarks. This column shall, when applicable, contain a letter code in alphabetic
order, which shall be keyed to the remarks contained in Section IV.
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT
REQUIREMENTS, SECTION III.
Column 1, Reference Code. The tool and test equipment reference code correlates with a code
used in the MAC, Section II, Column 5.
Column 2, Maintenance Level. The lowest category of maintenance authorized to use the tool
or test equipment.
Column 3, Nomenclature. Name or 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.
EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
Column 1, Reference Code. An alphabetic code listed in the sixth column of the MAC and
first column of the Remarks section to identify remarks made to the MAC.
Column 2, Remarks. The complete text of the remarks made to the MAC.