Service difficulty report · Bonding Strap · Agusta A109E

Difficulty date
November 1, 2006
Submitted
November 1, 2006
Operation
Air carrier
Aircraft
N7UC
Make and model
Agusta A109E
Aircraft serial
11088
Aircraft time
2,587 hours, 9,019 cycles
Engine
Pwa PW206A
Part
Bonding Strap
Part number
999700009105
Condition
Broken
Location
Avionics Bay
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING AN AIRFRAME INSPECTION, FOUND 4 BONDING STRAPS THAT GROUND THE HELIPILOT COMPUTERS TO THE AIRFRAME BROKEN. THESE BONDING STRAPS ARE INSTALLED UNDER BT 109EP-51 DATED 2-9-2005 THESE STRAPS ARE THE GROUNDING POINTS FOR THE HELIPILOT SYSTEM. IT IS AN ON GOING PROBLEM WITH THESE BREAKING. THEY SHOULD BE A BONDING BRAID INSTEAD OF A SHEETMETAL STRAP. WE HAVE ADDRESSED THIS ISSUE WITH MFG AND NOTHING HAS CHANGED.

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