(d) Block 4, Location. Enter the actual location of the piece of
equipment (pencil entry).
(e) Block 5, Frequency of maintenance. Enter the interval of
maintenance (weekly, monthly, semiannually, annually).
Block 6, Nomenclature. Enter the noun abbreviation of the item.
(g) Block 7, Expected useful life. If you know it, enter the expected life
of the equipment in this block. If you do not know it, enter "UNK."
(h) Block 8, Expected date of retirement. Enter the calendar date the
item is expected to be taken out of service. You can do this by comparing the date in
service (block 11) and expected life (block 7). If you don't have this information, enter
(i) Block 9, Technical references. Enter the manufacturer's literature
or Army technical publications (TMs, TBs, and so forth) applying to the item.
(j) Block 10, Manufacturer. Enter the name of the manufacturer of the
item. If you don't know it and it isn't on the item, enter "UNK."
(k) Block 11, Date put in service. Enter the calendar date the item was
accepted into Army inventory. If you don't have that information, estimate the date and
enter, for example, "EST June, 1995."
(l) Block 12, Unit cost. Enter the cost of the item at the time the
maintenance log was written. If you don't have the actual cost, refer to the AMDF.
Complete Section B--Maintenance Inspection Record.
(a) Column a, Date. Enter the calendar day, month, and year the
scheduled maintenance inspection or service was done.
(b) Column b, Initial. Ensure the person doing the inspection, test, or
service completes this space.
(c) Column c, Remarks. Enter the results of the inspection, test, or
service. Normally the word "service" is sufficient. When support units work on the
equipment, put the job-order number in this column.
(3) Complete Section C--Repair and Cost Record. Refer to figure 1-19 to
see the reverse side of DA Form 2409.