TB 1-2840-248-20-2
(e) Preparation Instructions For Completing a DA Form 2408-16-1 (History Recorder,
Component, Module Record (Replacement of a History Recorder)). (Figure 17).
NOTE: When the history recorder is replaced, all of the existing DA Forms 2408-16-1, for that engine, must
have block 6 completed for the old history recorder and line 1 in the next available block 6 completed for the
new history recorder. If block 6 is completely filled on the engine, component or module form add another DA
Form 2408-16-1. Be sure the serial number of the history recorder you are removing matches the serial
number on the DA Form(s) 2408-16-1. Check lines 2, 3, 4, and 5, for discrepancies, and if any discrepancies
are found, contact the 2410 Hotline, DSN 693-1879 or Commercial (314) 263-1879. Do not continue with the
paperwork until all discrepancies are resolved.
Blocks 1, 2, 3, 4, and 5. Make sure that the engine model, engine serial number, name, manufacturer's part
number, and engine/component/module serial number are correctly entered.
Block 6, Line 3--(Reading at removal of module/recorder) Enter the history recorder reading at time of
history recorder replacement. If the recorder is inoperative, every effort should be made to establish correct
data.
Line 3 minus line 2. Subtract line 2 from line 3 and enter the result on line 4.
Line 5--(Total component counts) Add line 1 to line 4 and enter the result on line 5. Enter this total on line 1
in the next open block 6.
History recorder serial number. Enter the serial number of the history recorder you are installing in the next
open block 7.
LINE 2--(Reading at instl of module/recorder) Enter the history recorder reading on line 2 at the time of
installation.
LINE 1--(Previous counts of components/module) Re-enter the total from line 5, block 6 for the history
recorder that was removed.
NOTE: The entries in block 13 of the DA Forms 2408-16-1 must be recalculated for RC components and
subcomponents when a history recorder is replaced. Failure to recalculate the replacement due for RC
components and subcomponents may result in exceeding the retirement life of these items.
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