An ACN is prepared by the activity that has the
publication may then be destroyed according to local
responsibility for the publication. It is sent by letter or
naval message, depending on the urgency and the
TECHNICAL MANUAL DEFICIENCY/
amount of information involved. The ACN directs you
to a specific chapter, section, part, page, paragraph,
sentence, figure, or table and provides the exact
T h e N AV S E A ( U s e r ) Te c h n i c a l M a n u a l
information that must be added, substituted, or deleted.
Deficiency/Evaluation Report (NAVSEA 9086/10) is
An ACN is identified by a number and a letter,
used to report problems in the various publications that
s e p a r a t e d b y a d i a g o n a l ( i . e . , AC N 4 / C ) . A s
exemplified, the number before the diagonal (4)
Naval messages may also be used to report an
indicates the fourth ACN released since the last
emergency technical manual (TM) deficiency. Such a
permanent change. The letter after the diagonal (C)
case may be where a TM deficiency could possibly
indicates the next permanent change which, in this
lead to personal harm or serious equipment damage, or
example, is the third.
it could possibly adversely affect the ship's mission.
When you receive an ACN, ensure that the title and
There is no set format for reporting by naval messages;
the number are the same as those on the publication.
however, you should include the information listed on
ACN action may be made by pen and ink, cut-and-tape
a NAVSEA 9086/10 form.
insertions, or page changes. After you have completed
Naval Sea Data Support Activity, Port Hueneme,
the change, record the entry in the front of the
California, records and monitors all TM deficiency
publication on the Record of Changes page. The ACN
reports to ensure timely response. Never hesitate to
will be incorporated into the next permanent change or
report a TM deficiency. This will ensure that the next
revision of the publication.
issue of the TM is correct and that the next person using
the TM will be working with the best information
A permanent change is prepared by the activity
RECOMMENDED READING LIST
having cognizance of the publication. It is used to
correct reported deficiencies, incorporate ACNs, add
NOTE: Although the following references were
new procedures, or change existing procedures. A
c u r r e n t w h e n t h i s N RT C wa s p u b l i s h e d , t h e i r
permanent change is a package that contains one or
continued currency cannot be assured. When
more complete page replacements or additions, the
consulting these references, keep in mind that they
instructions for making the changes, a new title page,
may have been revised to reflect new technology or
and a list of effective pages.
revised methods, practices, or procedures. Therefore,
When you receive a permanent change, ensure that
you need to ensure that you are studying the latest
it is complete. Follow the instructions on the change
sheet and remove and/or replace the affected pages.
Department of the Navy Correspondence Manual,
After you have made the change to the publication,
SECNAVINST 5216.5, Secretary of the Navy,
record the change on the Record of Changes page and
Washington, DC, 1996.
then destroy all the removed pages by following local
Department of the Navy Directives Issuance System,
SECNAVINST 5215.l, Secretary of the Navy,
Washington, DC, 1970.
Department of the Navy File Maintenance Procedures
A revision supersedes an existing edition of a
and Standard Subject Identification Codes,
publication. It is usually published when an existing
SECNAVINST 5210.11, Secretary of the Navy,
publication has several permanent changes already
Washington, DC, 1987.
issued and/or when an additional change would reduce
the usability of the publication. A revision is issued as a
Department of the Navy (DON) Information Security
complete publication, or a volume of a publication, and
Program (ISP) Regulation, SECNAVINST
supersedes all previous issues, ACNs, and permanent
5510.36, Chief of Naval Operations, Washington,
changes. When you receive a revision, the superseded