The Army Maintenance Management System (TAMMS) Users Manual

assembly
A combination of components/modules and parts used as a portion of, and intended for, further installation in an
equipment end item (for example, engine, transmission, rotor head, electronic chassis/rack/cabinet).
associated support items of equipment (ASIOE)
An end item required to support the operation, maintenance, and/or transportation of a basic issue of plan item. ASIOE
is listed on the BOIP of the item it supports. ASIOE has its own LIN and is separately documented into TOE/
Vertical—The Army Authorization and Documents System.
automatic test equipment
Equipment designed to automatically evaluate the degree of unit under test performance degradation. It may be used to
perform fault isolation of unit under test malfunctions.
available days
The days equipment is on hand in an organization and fully able to do its mission; the time that equipment is FMC.
battlefield damage assessment and repair (BDAR)
A wartime procedure to rapidly return disabled equipment to operational condition by expediently repairing, bypassing,
or jury-rigging components to restore the minimum essential systems required for the support of a specific combat
mission or to enable the equipment to self-recover.
before operation checks
Checks performed by the operator/crew per TM/ETM 10 series PMCS tables to identify faults that prevent performance
of the mission and must be corrected prior to start of the mission. All faults are corrected or, if above operator/crew
authorized level of repair, are reported to unit maintenance before the mission. Before operation checks should not take
over 20 minutes for completion by the operator/crew.
black box
An electronic assembly removed and replaced from the next higher assembly at the user level and generally synonymous
with line replaceable unit.
component/module
A combination of parts mounted together during manufacturing that may be tested, replaced as a unit, or repaired (for
example, starter, generator fuel pump, and printed circuit board). The term module is normally associated with
electronic equipment.
deferred maintenance
Authorized delay of maintenance/repair of uncorrected faults.
deficiency
A fault or problem that causes equipment to malfunction. Faults that make the equipment NMC are deficiencies.
Department of Defense activity address code (DODAAC)
A six-digit code that gives a DOD delivery address for supplies and equipment.
depot-level reparable
A class IX item with a maintenance repair code of D or L.
during operations checks
Checks performed by the operator/crew per the TM/ETM 10 series PMCS tables that monitor operation of equipment
and identify faults in equipment performance during the mission. Faults that render the equipment NMC require
immediate correction or authorization for limited operation using CIRCLED X status condition. All other faults are
corrected (if above operator/crew authorized level of repair to correct) or reported during or after the mission.
electromagnetic environmental effect
Any failure (or serious effect) apparently caused by, or related to, radio waves, electromagnetism, voltage or current
pulses (static discharge, lightning, electromagnetic pulse, or transient electricity), from whatever source.
end item code
Data element that identifies a part to a specific end item. It is a three-position alphanumeric code that uses the full
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