march2021 - 19

failure, " James Elliott, principal business architect, aerospace and
defense, IFS, added. " However, it has the ability to intelligently
and accurately predict when, and on what asset, system or part
maintenance should be performed, unlike preventative maintenance, which is often performed far too early and in the worst
cases, not in time. "
Say an aircraft has a pump with the tendency to fail after 300
hours. The standard is to replace the pump prior to what it's usual
failure point is - but there's something behind the failure either
causing it or indicating failure is imminent. Predictive maintenance signals to technicians that this otherwise unseen indicator
is taking place.
" We notice now that right before that pump fails that there's
a spike in the voltage that that pump needs. And we notice once
that spike in voltage happens, we can see that within four, eight,
ten days of that, the pump ultimately fails. And then the variability
occurs based upon when that voltage spike occurs. And so, we
write an algorithm around that and rather than the pump having
to be pulled every 300 hours, we know that the pump doesn't need
to be pulled until we see the voltage spike, " Peterson described.

Extrasensory Perception
Data and information are at the heart of predictive maintenance
and getting that data requires aircraft be equipped with the right
sensors in the right places.
" The concept has been around for a while now, however, it got
propelled around the introductions of the B787 and A350. Both
aircraft types introduced far more sensor data from systems and

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march2021

Table of Contents for the Digital Edition of march2021

Editor's Takeoff: Unnecessary Spending
Industry Inspection
Rotor Motors - Ready to Take Flight
The Potential of Prediction
Industry Outlook: Commercial Aviation Post Pandemic
A Year of Support
Suitable Software
Professionalism: Is the Fault Removed?
ATEC Insight: Aviation Technician Education Community Sets Advocacy Priorities for 2021
Advertiser's Index
ARSA Insight: Every Year
march2021 - 1
march2021 - 2
march2021 - 3
march2021 - Editor's Takeoff: Unnecessary Spending
march2021 - 5
march2021 - Industry Inspection
march2021 - 7
march2021 - 8
march2021 - 9
march2021 - Rotor Motors - Ready to Take Flight
march2021 - 11
march2021 - 12
march2021 - 13
march2021 - 14
march2021 - 15
march2021 - The Potential of Prediction
march2021 - 17
march2021 - 18
march2021 - 19
march2021 - 20
march2021 - 21
march2021 - 22
march2021 - 23
march2021 - Industry Outlook: Commercial Aviation Post Pandemic
march2021 - 25
march2021 - 26
march2021 - 27
march2021 - 28
march2021 - 29
march2021 - A Year of Support
march2021 - 31
march2021 - 32
march2021 - 33
march2021 - 34
march2021 - Suitable Software
march2021 - 36
march2021 - 37
march2021 - 38
march2021 - Professionalism: Is the Fault Removed?
march2021 - ATEC Insight: Aviation Technician Education Community Sets Advocacy Priorities for 2021
march2021 - Advertiser's Index
march2021 - ARSA Insight: Every Year
march2021 - 43
march2021 - 44
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https://www.nxtbook.com/endeavor/aircraftmaintenancetechnology/AircraftMaintenanceTechnology_January-February2020
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https://www.nxtbook.com/endeavor/aircraftmaintenancetechnology/Aircraft_Maintenance_Technology_April-May_2019
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