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Another example of Jouve’s system is
the use of FIM or troubleshooting
manuals. “Airbus and Boeing have
different codes. Mechanics enter codes
and error messages from the aircraft, and
AirGTI brings up one or more ATA root
codes. Once the correct root code is
located then the correct document in the
fault isolation manual or troubleshooting
manual can be used,” explains Godet.
30 I MAINTENANCE & ENGINEERING
AIRCRAFT COMMERCE ISSUE NO. 36 • AUGUST/SEPTEMBER 2004
Spirent’s AuRA provides mechanics with the
ability to view a list of maintenance tasks, select
a particular one and then access relevant pages
from maintenance manuals and illustrated parts
catalogues. All of this information can be
accessed on a tablet computer, which has a
wireless hyperlink to access the manuals.
“This then gives reference to the AMM,
which in turn looks up the schematic
manual. These show how the electrical
parts are mapped together, and also
provides a reference to the wiring
diagram manual. AirGTI then provides a
magnifier to allow the mechanic to get
down to electrical parts.”
Jouve sources data from OEMs
physically on a CD-ROM and then
converts these into SGML format. “We
have 15 days from being supplied the
CD-ROMs to make the manuals usable
on AirGTI,” says Godet. “AirGTI is now
web-based, which means updates to
manuals can be provided instantly.”
System users pay for the use of
manuals supplied via AirGTI by buying
software licenses, usually done on an
individual aircraft basis. The user
stipulates to the OEMs that it requires
SGML source data for their technical
manuals, and the SGML data are
delivered to Jouve for processing into
AirGTI electronic manuals. The customer
then pays for the database productions at
Jouve. Alternatively, AirGTI
DocPublisher, the software which
generates AirGTI manuals, can be
licensed to the airline which produces its
own electronic manuals in-house.
Several M&E IT systems, including
AirGTI, also provide links between items
such as ADs published by the Federal
Aviation Administration (FAA) and other
technical manuals. Boeing itself provides
its Portable Maintenance Aid (PMA)
product, while Airbus offers ADOC.
Once the manual that a mechanic is
looking for is found it can be printed out,
attached to a task card, or saved on the
system. Manual pages accessed by
AirGTI, for example, can be incorporated
into task cards as they are written by
planning engineers. Jouve also has
AirGTI Task Manager which manages
and writes task cards, and generates work
packages based on aircraft tail number
and check type. Revisions made to
manuals that are applied to the AMM are
also automatically incorporated into the
task card.
Parts and inventory
The issue of the inventory of parts
starts with the initial provisioning list
supplied by the OEMs. “Each OEM
provides a recommended spares
provisioning list (RSPL), which is usually
excess to requirements, when an airline
places an aircraft order,” says Reed. “The
RSPL provides a list of all the different
part numbers required and then a
recommended quantity for each one.
Some airlines load the RSPL into their
M&E IT system, and this can be analysed
and then ordered. The order then goes
into the purchasing module of TRAX,
and then parts can be purchased
economically. OEMs now take electronic
orders from M&E IT systems via web
pages.”
M&E IT systems have the ability to
communicate with suppliers’ catalogues
on line. “Maximo searches through online
catalogues and can also put together
an aggregate catalogue from several
vendors. This allows information on
pricing, discounts, availability and
warranties of suppliers to be compared,”
says Henry. “Catalogues can be searched
by part number, name or part
classification. This allows the buyer to
narrow down their search. The ordering
process is now paperless; so that
notification orders, shipping orders,
invoices and payment notifications are all
sent electronically to and from Maximo.”
Purchasing also has to be made with
reference to current inventory levels.
Most M&E IT systems inform buyers of
current stock levels, and how many of a
required part have already been allocated,
as well as how many are on order and
due for delivery.
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