TB 1-2840-248-20-2
(1) Preparation Instructions For Completion of Copy 1 of DA Form 2410 When a Serviceable
Reportable Item is Removed For Controlled Exchange (Figure 10).
SECTION I--IDENTIFICATION
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. Do not enter more than one serial number in
this block.
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. Get this information from the DA Form 2408-16-1.
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 "CE1", for Controlled Exchange. (See Table
1-4 of DA Pamphlet 738-751 for removal/achievement codes).
Block 11. WUC. Enter the work unit code (WUC) that applies for the item in block 1 (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. Calculate the total cumulative counts on the item entered
in block 1. Obtain from the DA Form 2408-16-1 for the engine, module, or component involved. 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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