T. O. 12P4-2APX-192
they are found unserviceable they will be turned in to supply
and tools provided they will be disposed of as condemned
for shipment to the SRA.
material. Hi Valu and Critical items, however, will be turned in
11-57. CODE "LM" - DEPOT LEVEL MAINTENANCE
to supply and disposition instructions obtained from the
ONLY: MOBILE DEPOT ACTIVITY. Code "LM" identifies
items to which all conditions of Code "L" apply except that
CODE "D" LIMITED FIELD REPAIR DEPOT
repair will be accomplished by MDA. If MDA cannot repair
OVERHAUL. Code "D" identifies items on which a limited
these items, they will determine whether these items should be
degree of repair can be accomplished by field level
condemned or sent to the SRA.
maintenance activities. Normal servicing will be done at
11-58. SOURCE CODE COLUMN NAVY. In this column is
organizational level. SRA is established for overhaul of these
listed the Source code for each item, wherever available, as
items. A range of repair parts, tools, and technical order data
assigned by the Procuring Department.
Refer to the
consistent with the capability of repair are procured and
applicable Navy publication for source code definitions.
provided to applicable field maintenance activities. Because
11-59. ACCT/REC CODE COLUMN NAVY. The codes in this
of the design characteristics and complexity of repair, the
column reflect the recoverability characteristics of items
degree of repair which is authorized on these items at field
removed from equipment at the time of maintenance, repair, or
maintenance level is necessarily determined by the degree of
Refer to the applicable Navy publication for
technical skills required and the cost of special tools, special
recoverability code definitions.
test equipment, spare parts, and the predicted frequency of
11-60. REFERENCE DESIGNATION INDEX.
failure generation. If these items cannot be returned to
serviceable condition with authorized parts and tools they will
11-61. GENERAL. The Reference Designation Index, Part D,
be returned to supply for shipment to the designated SRA.
lists reference designation symbols which have been
CODE "DM" LIMITED FIELD REPAIR: MOBILE
established for any electrical or electronic parts of the
DEPOT OVERHAUL. Code "DM" identifies items to which all
the conditions of code "D" apply except that repair beyond field
11-62. REFERENCE DESIGNATION COLUMN. In this
capability will be done by the Mobile Depot Activity (MDA). If
column are listed the assigned reference designation symbols,
the MDA cannot repair these items, they will determine
arranged in alphabetical-numerical sequence. The column
whether these items should be condemned or sent to the SRA.
contains all reference designation symbols shown on
11-56. CODE "L" DEPOT LEVEL MAINTENANCE ONLY.
schematic diagrams and contained in the Maintenance manual
Code "L" identifies items that will be repaired only at
pertaining to the equipment covered by the Illustrated Parts
designated SRA. Repair parts and tools for repair are
procured and provided only to these authorized activities.
11-63. FIGURE-INDEX NUMBER COLUMNS. This column
Required functional checkout and bench check equipment
contains figure and index numbers assigned to reference
may be provided to applicable organizational and field level
maintenance activities for accomplishing external adjustment
11-64. MFR PART NUMBER COLUMN. In this column are
or calibration and for verifying serviceability of these items. If
listed the part numbers of those parts which have been
assigned reference designation symbols.