Summary
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model BO-105A, BO-105C, and BO-105S helicopters. This AD requires inspections to detect oil contamination in the main gearbox (MGB). This AD was prompted by initial findings from an accident investigation of a Model BO-105 helicopter, which indicated deterioration of the MGB caused by a contaminated oil supply. The actions of this AD are intended to detect oil contamination in the MGB, which could result in MGB deterioration, MGB failure, and subsequent loss of control of the helicopter.
Directive Details
AD Number
FAA-2012-0503
Document Number
2015-24256
Type
Rule
Publication Date
September 29, 2015
Effective Date
November 3, 2015
Affected Manufacturer
Airbus Helicopters Deutschland GmbH (formerly Eurocopter Deutschland GmbH) (Airbus Helicopters)
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2012-0503
Topics
Official Documents
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