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TM 9-5130-338-12&P
d. Column (4), Maintenance Level. Column 4 specifies each level of maintenance authorized to perform each
function listed in column 3, by indicating work-time required (expressed as man-hours in whole hours or decimal)
in the appropriate subcolumn. This work-time figure represents the active time required to perform that
maintenance function at the indicated category of maintenance. If the number or complexity of the tasks within
the listed maintenance function vary at different maintenance levels, appropriate work-time figures are to 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),
troubleshooting/fault location time and quality assurance in addition to the time required to perform the specific
tasks identified for the maintenance functions authorized in the MAC. The symbol designation for the various
maintenance levels are as follows:
C - Operator or crew
O - Unit maintenance
F - Direct support maintenance
L - Specialized Repair Activity (SRA)5
H - General support maintenance
D - Depot maintenance
e. Column (5), Tools and Test Equipment Reference Code. Column 5 specifies by code those common tools
sets (not individual tools), common Test Measurement and Diagnostic Equipment (TMDE), and special tools,
special TMDE, and special support equipment required to perform the designated function. Codes are keyed to
tools and test equipment in Section III.
f. Column (6), Remarks. When applicable this column contains a letter code, in alphabetical order.
B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III.
a. Column (1), Reference Code. The tool and test equipment reference code correlates with a code used in the
MAC, Section II, column 5.
b. Column (2), Maintenance Level. The lowest level of maintenance authorized to use the tool or test equipment.
c. Column (3), Nomenclature. Name or identification of the tool or test equipment.
d. Column (4), National Stock Number (NSN). The NSN of the tool or test equipment.
e. Column (5), Tool number. The manufacturer's part number, model number, or type number.
B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
a. Column (1), Remarks Code. This code is recorded in column 6, Section II.
b. Column (2), Remarks. This column lists the information pertinent to the function being performed as indicated
in the MAC, Section II.
5This maintenance level is not included in Section II, column 4 of the MAC. 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 referenced code is used in
the "Remarks" column, column 6.
B-3
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