Summary
We are adopting a new airworthiness directive (AD) for all Eurocopter Deutschland GmbH (ECD) Model MBB-BK117 C-2 helicopters with certain Generator Control Units (GCU) installed. This AD requires replacing the GCUs. This AD was prompted by reports of internal short circuits in certain GCUs. These actions are intended to prevent a short circuit, which could result in a loss of electrical generating power, loss of systems required for continued safe flight and landing, and subsequent loss of control of the helicopter.
Directive Details
AD Number
FAA-2012-0528
Document Number
2012-28039
Type
Rule
Publication Date
November 20, 2012
Effective Date
December 26, 2012
Affected Manufacturer
Eurocopter Deutschland
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2012-0528
Topics
Official Documents
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