Avionics News June 2020 - 76

Figure 6: Fretting corrosion

THEORY & PRACTICE
Continued from page 75

protective covers, we should make sure they
remain in use. If we have to remove a cover
for maintenance, we should replace it after we
finish work. Be vigilant, especially with older
coaxial cable and PVC coated wires, where
outgassing of the outer jacket can be quite
corrosive. Also, look carefully at connectors
and terminal blocks.
There are other things that may fall outside our
purview, but if we notice anything, we should
report it to an A&P. Such reportable findings
would include a lack of lubrication and finding
corrosion on the aircraft structure or control components. In
addition, pilots should drain their fuel sumps daily.
Corrosion has caused problems ranging from annoying
little noises in headsets to fatalities due to structural failure.

Pilots, mechanics and avionics technicians all have a
responsibility to prevent or mitigate corrosion problems.
I urge all to do more than answer the AET corrosion test
questions correctly. Study the advisory circulars and do your
part to prevent corrosion problems. q

IN ALIGNMENT WITH AEA'S
MISSION TO PROVIDE
EFFECTIVE LEADERSHIP,
EDUCATE, COMMUNICATE AND
ENHANCE THE PROFITABILITY
OF ITS MEMBERS,

THE ASSOCIATION HAS GATHERED
HELPFUL FEDERAL RESOURCES TO
SUPPORT ONGOING BUSINESS
OPERATIONS AND PROVIDE
ASSISTANCE TO THOSE AFFECTED BY
THE CORONAVIRUS OUTBREAK.

AEA.NET/RESOURCES
76

avionics news

*

june

2020


http://aea.net/resources

Avionics News June 2020

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