TB 1-2840-248-20-2
(k) Preparation Instructions For Completion of a DA Form 2410 For an NSN/PN/Serial No.
Change For an Installed Item (Figure 9). This is an administrative removal and installation procedure for
tracking purposes.
COPY 1--SECTION I--IDENTIFICATION (Figure 9, Sheet 1 of 5)
Block 1. Nomenclature. Enter the item name.
Block 2. NSN. Enter the national stock number of the item.
Block 3. Part number. Enter the part number of the item.
Block 4. Serial number. Enter the serial number of the item.
Block 5. Cage code. Enter the Contractor and Government Entity (CAGE) Code for the item, (this code can
be found on the data plate for the part or in the TM-23P manual).
Block 6. No. of prev O/Hs. For Retirement Life Components/Modules (RC) and Condition
Components/Modules (CC), enter RC or CC in this block. See TB 1-1500-341-01 to determine whether the
item is an RC or CC item.
Block 7. Time since last instl (hrs). Enter the number of hours to the nearest hour that the item has been
operated since it was last installed. Get this information from the DA Form 2408-16-1 by subtracting the total
cumulative hours at installation from the total cumulative hours at removal (See Fig. 15). If the item is new,
enter "O".
Block 8. Time since new (Hrs). Enter the total number of operating hours to the nearest hour that the item
has been operated since it was new.
Block 9. Time since overhaul (Hrs). If the item is a RC or CC item, enter RC or CC in this block.
Block 10. Failure code. Enter the removal/achievement code which applies from Table 1-4 of DA Pamphlet
738-751. If the maintenance action was an MWO, put MW3 in this block.
Block 11. WUC. Enter the work unit code (WUC) which applies to this item (See TB 1-1500-341-01 for
WUC).
Block 12. Position code. Enter the engine position for multi-engine aircraft, (left engine is number 1, right
engine is number 2). Leave blank for other aircraft.
Block 13. Component cumulative counts/hours. Enter the total cumulative counts for the item entered in
block 1. This entry is required for engines, history recorders, modules, components and subcomponents
entered on the front and reverse sides of a DA Form 2408-16-1. Operating hours only will be entered for
components and modules entered on the engine DA Form 2408-16-1 that are not required to have a separate
DA Form 2408-16-1.
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