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It is the first part of 
,
which, as the name says, provides information on the state the world
must be in for 
to be executable and on the necessary
resources. Input conditions consist of the following items, that we
present in the order in which they appear in the technical orders.
- Applicability. It details the types of aircrafts to which
applies (as described under 4. on the second page of the F16 technical
orders). The value is All if 
applies to all types of
F16.
- Required Conditions. It is a list of all conditions that
have to hold
(possibly by being brought about) before
or one of its
subprocedures --- (1) removal, (2) installation, (3) checkout --- can
start; if the condition doesn't apply to the whole 
, the
condition is indexed by the number(s) corresponding to the
subprocedure(s) it applies to. For example, the following are the
Required Conditions for Crossfeed valve, 2823FV4, Removal,
Installation, and Checkout:
- Aircraft safe for maintenance (JG10-30-01)
- (1, 2) Aircraft defueled (JG12-10-02)
- (1, 2) A1 tank drained (JG12-10-02)
- (3) Aircraft fueled to approximately 2500 pounds (JG12-10-01)
- (3) Access door 3308 open (General Maintenance)
The first condition applies to the whole 
, the second
and third to Removal and Installation, and the fourth and fifth to
Checkout. All these conditions refer to other parts of the job guide
(?), such as (JG12-10-02).
- Personnel recommended. First, the number of technicians
required is
stated (e.g. 7); then the activity of each technician is described,
possibly preceded by the index of the subprocedure(s) the
technician is involved in. For example,
- (3) Technician C assists in checkout (forward cockpit).
- Support Equipment. It is a list of equipment items, possibly preceded by
the index identifying the subprocedure(s) the equipment
is needed for.
- Supplies (Consumables). It is often empty.
- Safety Conditions.
WARNING and CAUTION, in this order, are listed under
this heading. WARNING concerns possible injury to personnel; it
may also include information about damage to the aircraft. CAUTION concerns only possible damage to the aircraft.
- Other recommendations is a list of pairs, Item - Purpose, where
Item is the code identifying another procedure, and Purpose
the reason why Item is performed. For example
Other Recommendations:
Item
Purpose
T.O. 1-1-3
To purge fuel tank
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Up: High level structure
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