Aircraft Maintenance Technology - 37

Chad Nimrick, Bell's director of support and service, Americas, agreed, adding that other typical
causes of damage are leading edge strike damage
from trees, power lines and hangar doors; hard landings and sudden stoppages; and every so-often, the
bullet strike on law enforcement or military blades.
Each kind of damage takes a different repair
approach. For erosions, this can be as simple as a
paint refinish or polishing the leading edges back to
contour. Strike damage needs leading edge abrasion
strip repairs or replacements, skin patches or even
spare repairs. Hard landings require inspections to
ensure the blade's bushings are still within tolerance
and not oblong, with blade twist and contour also
measured, as well as a full tap inspection to find any
voiding in critical areas such as doubles. And for the
rare bullet strike, most cases are repaired with a skin
patch and core replacement, Nimrick said.

When blades come in for repair at HeliBlade, Inc.,
Pablo Ejarque, owner and account manager, said each
repair process starts out the same.
"We will clean and inspect all blades and give a
detailed report to the customer with our recommendations. Then once the customer has approved of
the work, we start the repair process," Ejarque said.
More common than bullet damage, but requiring
similar repairs, is hail damage.
"Depending on how bad the damage is, we can fill
it with adhesive and fair it out or use a process called
a 'melt down,'" said Ejarque.
Skins patches to repair damaged blade skin vary in
sizes from 2 square inches to upwards of 144 square
inches and in some cases larger with the approval of
Bell Engineering, said Nimrick.
"The leading-edge abrasion strips are replaced
if there is significant erosion, pitting or cracking.

Installation of a UH-60
sheath assembly
done by Aviation
Blade Services.
AVIATION BLADE
SERVICES

www.AviationPros.com

37


http://www.AviationPros.com

Aircraft Maintenance Technology

Table of Contents for the Digital Edition of Aircraft Maintenance Technology

Editor's Takeoff: The Young and the Restless
Industry Inspection
40 Under 40, Who Made the Cut?
Keeping Sharp on Blade Maintenance
Protect Others, Protect Yourself
Nimble at 65
Flightdocs' Journey Lands at ATP
How to Address Systemic Safety and Quality Issues
Professionalism: Owning Your Impact
ARSA: Maintenance Professionals Share Career Stories
Advertiser's Index
Shop Talk: Maintenance Records, or Lack There Of
Aircraft Maintenance Technology - 1
Aircraft Maintenance Technology - 2
Aircraft Maintenance Technology - 3
Aircraft Maintenance Technology - Editor's Takeoff: The Young and the Restless
Aircraft Maintenance Technology - 5
Aircraft Maintenance Technology - 6
Aircraft Maintenance Technology - 7
Aircraft Maintenance Technology - Industry Inspection
Aircraft Maintenance Technology - 9
Aircraft Maintenance Technology - 40 Under 40, Who Made the Cut?
Aircraft Maintenance Technology - 11
Aircraft Maintenance Technology - 12
Aircraft Maintenance Technology - 13
Aircraft Maintenance Technology - 14
Aircraft Maintenance Technology - 15
Aircraft Maintenance Technology - 16
Aircraft Maintenance Technology - 17
Aircraft Maintenance Technology - 18
Aircraft Maintenance Technology - 19
Aircraft Maintenance Technology - 20
Aircraft Maintenance Technology - 21
Aircraft Maintenance Technology - 22
Aircraft Maintenance Technology - 23
Aircraft Maintenance Technology - 24
Aircraft Maintenance Technology - 25
Aircraft Maintenance Technology - 26
Aircraft Maintenance Technology - 27
Aircraft Maintenance Technology - 28
Aircraft Maintenance Technology - 29
Aircraft Maintenance Technology - 30
Aircraft Maintenance Technology - 31
Aircraft Maintenance Technology - 32
Aircraft Maintenance Technology - 33
Aircraft Maintenance Technology - 34
Aircraft Maintenance Technology - 35
Aircraft Maintenance Technology - Keeping Sharp on Blade Maintenance
Aircraft Maintenance Technology - 37
Aircraft Maintenance Technology - 38
Aircraft Maintenance Technology - 39
Aircraft Maintenance Technology - 40
Aircraft Maintenance Technology - 41
Aircraft Maintenance Technology - Protect Others, Protect Yourself
Aircraft Maintenance Technology - 43
Aircraft Maintenance Technology - 44
Aircraft Maintenance Technology - 45
Aircraft Maintenance Technology - 46
Aircraft Maintenance Technology - 47
Aircraft Maintenance Technology - Nimble at 65
Aircraft Maintenance Technology - 49
Aircraft Maintenance Technology - 50
Aircraft Maintenance Technology - 51
Aircraft Maintenance Technology - 52
Aircraft Maintenance Technology - 53
Aircraft Maintenance Technology - Flightdocs' Journey Lands at ATP
Aircraft Maintenance Technology - 55
Aircraft Maintenance Technology - 56
Aircraft Maintenance Technology - 57
Aircraft Maintenance Technology - 58
Aircraft Maintenance Technology - 59
Aircraft Maintenance Technology - How to Address Systemic Safety and Quality Issues
Aircraft Maintenance Technology - 61
Aircraft Maintenance Technology - 62
Aircraft Maintenance Technology - Professionalism: Owning Your Impact
Aircraft Maintenance Technology - ARSA: Maintenance Professionals Share Career Stories
Aircraft Maintenance Technology - Advertiser's Index
Aircraft Maintenance Technology - Shop Talk: Maintenance Records, or Lack There Of
Aircraft Maintenance Technology - 67
Aircraft Maintenance Technology - 68
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