Extract:

The Civil Aviation Department of the Government of the Hong Kong Special Administrative Region (CAD) issued Accident Bulletin 2/2010 and Interim Statement 2/2011 on 27 July 2010 and 29 June 2011 respectively on the investigation of the accident on East Asia Airlines EA 206A on 3 July 2010. This Accident Bulletin provides further available information as the investigation progresses.

After the accident, the tail rotor and tail gearbox assembly detached from the helicopter was salvaged from the Victoria Harbour. However, a major portion of a tail rotor blade, designated as White Blade, was found broken off from the tail rotor. The breakage occurred at the blade root area, leaving behind a short U-shaped portion of the blade remained attached to the tail rotor hub. The broken portion of the White Blade could not be recovered. The focus of the investigation is to identify the circumstances leading to the breakage of the White Blade and the detachment of the tail rotor and tail gearbox assembly

Full bulletin here (PDF format)