TM l-1500-328-23
Example
1000 hours
Component TBO
75 hours
Tolerance Factor (plus or minus)
925 to 1075 hours
Item Usage Window
300 hours
Component TBO
30 hours
Tolerance Factor (plus or minus 10%)
(300 x . 10 = 30)
270 to 330 hours
Item Usage Window
C.
Items
Components or parts replaced on a calendar cycle.
replaced on a calendar cycle (day, month, year), will be considered a
special inspection; therefore, they shall be listed on the aircraft
DA Form 2408-18, and the provisions stated in paragraph 2-10, will
apply.
Replacement of Components on Aircraft Being Transferred.
a.
Serviceable items will remain on aircraft being transferred,
providing the operating time remaining on the items meet the
standards in Section XII (Standards of Serviceability for Aircraft)
of this manual.
When aircraft are being transferred to theaters with combat
b.
operations and due to justifiable conditions, the time does not
permit changing of components per Section XII, the aircraft may be
shipped with installed components meeting the standards for transfer
It is intended that this exception be
between non-combat theaters.
used only with mutual consent of the shipping and receiving commands.
The affected components would then be replaced at the time of normal
replacement.
NOTE
All managed components removed and tagged IAW paragraph 4-
new, time since last overhaul, any SOF message/ASAM/TB
that need to be applied, and whether the item is or is not
NRTS recorded on the applicable tag per DA Pamphlet 738-
751. All documentation required by TB l-1500-341-01 and
the ULLS-A Component Legitimate Code files, must be
prepared and submitted, per DA Pamphlet 738-751 before
turn in to the appropriate supply activity.
Removal of Components.
When an item is removed and no
immediate requirement exists for use on another aircraft at the
removing activity, it will be processed as follows:
