Helvetic E190 at Zurich on Dec 20th 2015, smell of smoke in cockpit
Last Update: July 8, 2016 / 17:04:32 GMT/Zulu time
The occurrence aircraft remained on the ground for 44 hours before resuming service.
On Jan 28th 2016 the Swiss SUST reported that the occurrence was rated a serious incident and is being investigated by SUST. There was a strong smell of electrical fumes prompting the crew to declare PAN and work the related checklists. The aircraft continued to Zurich for a safe landing on ruwnay 14.
On Jul 8th 2016 Switzerland's SUST released their final factual report in German reporting that the first officer was pilot flying and the captain pilot monitoring. The aircraft was enroute at FL330 about 120nm from Zurich when a strong electrical odour became noticeable in cabin and cockpit, the crew donned their oxygen masks, declared PAN and worked the related checklists involving to turn off the recirculation fans. Following the deactivation of the recirculation pumps the smell was no longer noticeable in the cockpit and dissipated also in the forward cabin, however, remained unchanged in mid cabin. The cause of the fumes could not be determined in flight. The crew decided to continue the flight to Zurich (reasoning Basel was already too close for their altitude). During the descent the first officer handed controls to the captain due to his oxygen mask misting up. The aircraft landed safely on Zurich's runway 14, attending emergency services did not find any trace of fire, heat or smoke.
The SUST reported that subsequent maintenance investigation was unable to determine any anomaly, too. The air conditioning systems were examined and operated without any finding. No defect or anomaly was detected with the first officer's oxygen mask.
Aircraft Registration Data
This article is published under license from Avherald.com. © of text by Avherald.com.
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