Table 2-6.--Joint Services Uniform SM&R Code Format
item or level
item is to be
supplemental code to
lowest level of
modify or clarify the
use the item.
the capability to
The M-Series Source codes identify the items
The Recoverability code occupies the fifth position
that are authorized for manufacture or fabrication at
of the SM&R code format. This code indicates the
some level of maintenance. These items are
recoverability potential of the item. It also indicates the
normally consumable or those requiring very
final disposition of unserviceable items. For repairable
limited repair. Some typical "M" coded items
items, this code means the maintenance level responsible
include hose assemblies, tubing, and name plates.
for repair, condemnation, and disposal of the item.
The specified level of maintenance must have all the
The procedures for submitting SM&R code change
manufacturing data, shop equipment, and skills
request are outlined in NAVAIRINST 4423.11. It
available to manufacture the items.
provides detailed instructions for preparing the SM&R
code change request form, NAVAIR Form 4423/1.
The A-Series Source codes identify the items
that are authorized for assembly at some level of
maintenance. These codes can be assigned to an item
TECHNICAL LIBRARY MANAGEMENT
when all parts of the assembly, support equipment,
and skills are available at the level of maintenance.
Learning Objective: Recognize, maintain, and
update various publications and maintenance direc-
The X-Series Source codes identify items for
tives used by maintenance and supply personnel.
which no demand is anticipated.
The Central Technical Publications Library (CTPL)
The Maintenance codes are two-position codes
provides a source of current information needed by supply
that show the level of maintenance authorized to use,
and maintenance personnel. The quality assurance/
remove or replace, and repair items. Maintenance
analysis (QA/A) division of Aircraft Intermediate
codes occupy the third and fourth positions of the
Maintenance Department (AIMD) manages the CTPL.
SM&R code format.
This function includes updating the publications
The maintenance code entered in the third
throughout the activity when AIMD is responsible for all
position indicates the maintenance level authorized
aeronautical technical manuals for the activity. The SK
to use, remove, and replace the support item. When
may use the CTPL to verify or find technical information
used for end items, maintenance tools, test, and
needed to do the job. Aviation support activities not
support equipment items, a code in this position
adjacent to AIMD require a library with an appropriate
indicates the lowest level of maintenance authorized
number of publications necessary to conduct technical
to use this item.
research. This library is a dispersed library of the AIMD
The maintenance code entered in the fourth
CTPL and is usually located in the supply response section
position indicates whether the item is to be repaired. It
(SRS). The SRS supervisor is responsible for ensuring that
also identifies the lowest level of maintenance to
all necessary technical publications are on hand and
accomplish overhaul, repair, or assembly of the item.
readily available in the library.