Sun-Air D328 at Billund on Dec 17th 2010, smoke in cockpit and cabin
Last Update: May 11, 2012 / 17:01:51 GMT/Zulu time
Denmark's Havarikommission (HCL) released their final report in Danish concluding the probable cause of the incident was a worn and slightly damaged carbon seal in the right hand engine.
The HCL reported that as result of the haze dissipating after shutting the #2 air conditioning system down maintenance conducted a borescopic inspection of the right hand engine immediately after landing and found the compressor stage #2 contaminated with engine oil. With the compressed air that oil was then transferred to the air conditioning systems and in turn caused the smell and haze. The engine was removed from the aircraft and sent to the manufacturer for further examination, which revealed a carbon seal at the #2 bearing was worn and slightly damaged.
The HCL assessed that occurrences of this sort had been very few worldwide, it was the first such event in Denmark. The board therefore concluded it was a unique event which does not require further action like engine modification.
This article is published under license from Avherald.com. © of text by Avherald.com.
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