AMMUNITION MALFUNCTION INVESTIGATING AND REPORTING
MQS II Critical Task: 03-4010.01-0008
In this lesson you will learn the definitions of the terms used in ammunition malfunction investigations
and reports. You will identify the responsibilities of the individuals and agencies involved in malfunction
investigating and reporting. You will learn the procedures to follow to report a conventional ammunition
TERMINAL LEARNING OBJECTIVE
Define the terms used to describe a conventional ammunition malfunction, and the
responsibilities of the specific individuals and agencies involved. Identify malfunction
reporting requirements. Learn to prepare malfunction reports.
You will be given a description of the terms used, the investigating procedures, the
reporting procedures, and a blank DA Form 4379-R.
Given a malfunction situation, you will identify the responsibilities of the people
involved, determine the class of the malfunction, and prepare a DA Form 4379-R.
The material contained in this lesson was derived from AR 75-1, TB 9-1300-385, and
As an Ammunition Officer you must be aware that no matter how reliable and proven a round of
ammunition or a weapon system is, under various conditions it may fail to function as designed or
intended. Since you will be among the first to be notified when a malfunction occurs, you must be
familiar with malfunction reporting procedures. You must provide detailed and accurate information,
since an incomplete investigation could cost both human life and large amounts of money. You must
also be able to determine the difference between misfires, hangfires, and duds in order to complete the
PART A: TERMINOLOGY
In order to conduct a malfunction investigation, you must first understand the terminology involved.
Let's first cover the terms used in malfunction investigating and reporting.
A malfunction is the failure of an ammunition item to function as expected when fired or launched, or
the functioning of explosive items under conditions that should not cause functioning. Malfunctions
include misfires, hangfires, and duds. Malfunctions also include abnormal or premature functioning of