This section is also used for engine identification
and subsequent failed part reporting against the
WORK UNIT CODE block. Contains the 1-, 3-, 5-,
or 7-digit WUC that identifies the system, subsystem,
or component on which work is being performed.
Three-digit WUCs such as 030 and 049 are also used on
a MAF to document a conditional inspection or a
preservation or depreservation action.
ACT ORG (ACTION ORGANIZATION) block.
Contains the ACT ORG code of the organization that
performs the maintenance.
TRANS (TRANSACTION) block. Contains a
two-character numeric transaction code that describes
the type of action to be accomplished on the item or
MAN/L (MAINTENANCE LEVEL) block. Uses a
numeric 1, 2, or 3 to describe the level of maintenance
that is being performed (not necessarily the
maintenance level that is assigned to the activity).
ACT TA (ACTION TAKEN) block. Contains a
one-character alpha or numeric code to describe the
action that was taken to correct the discrepancy.
MAL CD (MALFUNCTION DESCRIPTION
CODE) block. Contains a three-character
alphanumeric code to best describe the trouble or cause
of trouble in the system or component that is identified
in the WORK UNIT CD block.
ITMS/P (ITEMS PROCESSED) block. Specifies
the number of times the action that is indicated in the
action taken block was performed against the item that
is described in the WORK UNIT CD block. MAFs that
are submitted for close outs by work centers at the end
of or during a reporting period should enter 0 in the
items processed block.
MAN HOURS block. Documents the number of
man-hours that were expended to correct a discrepancy
(in hours and tenths of hours).
ELAPSED M/T (ELAPSED MAINTENANCE
TIME) block. Reports the number of clock hours that
were involved to make the repair (in hours and tenths of
hours). For example, if three people worked together
for 2.5 hours to make a repair, the total man-hours that
were expended is 7.5 hours, and the elapsed
maintenance time is 2.5 hours.
TECHNICAL DIRECTIVE INFORMATION
section. Contains the 12- or 13-character code to
identify the specific technical directive that has been
incorporated or is being incorporated in the type of
equipment that is identified in the Type Equipment
code block. This section is divided into the interim,
code, basic number, revision, amendment part, and kit
fields that are completed as needed.
Interim block. An X indicates an interim type
directive; otherwise this field is left blank.
Code block. A two-character code denotes the type
of directive to be incorporated. For example,
50 denotes an airframe change and 74 denotes
an airframe bulletin.
Basic No (number) block. A four-digit field
identifies the basic technical directive. If the
basic number is less than four digits, a zero or
zeros are used to precede the number as
necessary to complete the four-digit field.
RV (revision) block. A on-digit alpha character
denotes the specific revision of the basic
technical directive. Left blank if not
AM (amendment) block. A numeric one-digit
character identifies the number of amendments
of the basic technical directive. Left blank if
Part block. A two-digit alphanumeric character of
the basic directive. Left blank if not applicable.
Kit block. A two-character alphanumeric number
of the specific kit to be incorporated. If no kit is
required, 00 is entered in this field.
TYPE EQUIP (TYPE EQUIPMENT CODE)
block. Contains a four-character code to describe the
end item on which work is being performed.
BU/SER NUMBER (BUREAU/SERIAL NUM-
BER) block. Contains the bureau number of the aircraft
or serial number of the equipment or end item on which
work is being performed. If more than six digits, only
the last six digits are used. A 0 is entered in this block
when a MAF is used to document work on a group of
like items (jacks, stands, common aeronautical
equipment, or items that are not identified by