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Special Bulletin S3/2012 EC225 LP Super Puma, G-REDW
This Special Bulletin details the progress made in identifying the failure mechanism that caused the 360° circumferential crack, in the bevel gear vertical shaft in the helicopter’s main gearbox, which was identified in the early stages of the investigation and published in AAIB Special Bulletin 2/2012 in May 2012. It also details progress on the investigation into the indicated failure of the main gearbox emergency lubrication system.
S3-2012 EC225 LP Super Puma G-REDW 08-12.pdf (1,151.29 kb)