MIL-DTL-24784/7C(NAVY)
3.8.6.1.3 Classified repairable items. When the repairable items covered in the TRS are classified items, this
section shall specify security requirements and controls necessary for proper handling, packaging, marking, storage,
and shipping of the repairable items.
3.8.6.2 Special preservation, storage, and transportation requirements. This section shall identify the
requirements for special preservation, storage, and transportation of the repairable items. For example, preservation
for storage when the repair item is not to be installed (fleet use) for an extended period of time and the methods used
for preservation and storage of the repairable items are critical. If there are no requirements for special preservation,
storage, and transportation, the TRS shall so specify.
3.8.7 Appendices. The TRS shall provide pertinent supplementary and reference data required in the
inspection, repair, troubleshooting, testing, final acceptance, packaging, and handling of the repairable items covered
in the TRS. Each appendix shall contain a lead-in statement delineating its purpose and application.
3.8.7.1 Appendix A - repairable item data. This appendix shall consist of repairable items, servicing and
troubleshooting block diagrams, schematic diagrams, component location illustrations, and parts list tables.
3.8.7.1.1 Service and troubleshooting block diagrams. Servicing and troubleshooting block diagrams shall be
included for the repairable items type covered by the TRS.
3.8.7.1.2 Repairable items schematic diagrams. Repairable items schematic diagrams shall be included for the
repairable items type covered by the TRS.
3.8.7.1.3 Repairable items component location illustrations. Repairable items component location illustrations
shall provide positive and rapid location of parts. Types of component location illustrations shall show exploded
views, engineering drawings, and sectional views.
3.8.7.1.4 Repairable items parts list tables. Repairable items parts list tables shall be in accordance with figure
3.8.7.1.5 Mandatory overhaul replacement parts list. This section shall contain a comprehensive list of items
that shall be replaced regardless of observed conditions. There shall be a separate sheet listing the mandatory
replacement parts (see figure 1 and 6.2) for each subassembly or breakout item listed in Chapter 5. The parts to be
recommended for the mandatory overhaul replacement parts list shall be dependent on the repair experience of the
TRS developer and shall be specified by the Government acquisition activity by considering those parts which:
a.
Are damaged or destroyed during disassembly.
b.
Are subject to wear.
c.
Are judged to be more economical to replace than to inspect and repair.
d.
Have a history of high usage.
e.
Have a high documented failure rate and are costly to replace between overhauls. No direct or indirect
citation of the actual failure rate of any part is allowed. Technical manuals shall not list or cite any figures
of merit for the reliability or maintainability of the equipment (or parts) at any level of indenture.
3.8.7.1.6 Contingency material list. A contingency material list shall be developed. It shall be a tabular listing
of parts similar to figure 2. When developed, there shall be a separate sheet for each subassembly or breakout item
listed in Chapter 5. The contingency material list is a guide for material that may be needed when the unit is
overhauled. It shall list the parts which may require replacement during the overhaul of the unit. Any part listed in
the contingency material list shall be addressed in the appropriate inspection and repair subsection of the TRS.
Those parts whose costs approach or exceed the total cost of the unit shall not be listed. Parts which rarely require
replacement and are not normally replacement parts for unit overhaul shall not be listed.
3.8.7.2 Appendix B - test support equipment data. This appendix shall contain augmenting instructions, data,
and illustrations required to fabricate, maintain, and calibrate (unique requirements) the test and repair support
equipment utilized in the TRS:
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