Summary
We are adopting a new airworthiness directive (AD) for Agusta Model AB139 and AW139 helicopters. This AD requires deactivating the Full Icing Protection System (FIPS) and installing a placard next to the FIPS controller stating that flight into known icing is prohibited. This AD is prompted by a report of a fire in the aft avionics bay and the baggage compartment resulting from an Auto Transformer Rectifier Unit internal circuit overload. These actions are intended to prevent a fire, structural damage, and subsequent loss of control of the helicopter.
Directive Details
AD Number
FAA-2013-0640
Document Number
2013-23578
Type
Rule
Publication Date
October 1, 2013
Effective Date
October 16, 2013
Affected Manufacturer
AgustaWestland S.p.A. (Agusta)
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2013-0640
Topics
Official Documents
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