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Completion, Refurbishment & Maintenance

Lufthansa Technik replaces cabin pressure tests with mobile vacuum procedure

Izzy KingtonBy Izzy Kington6th September 20161 Min Read
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Lufthansa Technik has developed a mobile procedure that it says allows even the smallest leaks at doors and windows in the aircraft cabin to be located. The vacuum leak check allows an aircraft’s inflight pressure differences to be simulated on the ground. The company says the new procedure will replace the existing time-consuming process of activating the cabin pressurization system.

The windows and doors to be examined are closed during the vacuum leak check and covered from the outside by a special textile fiber as well as an airtight latex film with hose fittings. Air is then pumped out from between the latex film and the fuselage to create a vacuum. The company says even the smallest leaks can then be located precisely in the interior of the cabin by means of a leak detector.

“The new vacuum procedure excludes the possibility of other error sources and reduces process times significantly,” said Stefan Mehler, innovation project manager for aircraft maintenance at Lufthansa Technik. “The ground times of the respective aircraft are consequently also shortened. Moreover, less working time is needed and therefore costs reduced as only two instead of four employees are required to carry out the work.”

September 6, 2016

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Izzy Kington

Izzy has been part of the Business Jet Interiors International team since its second issue, and the editor since 2011. She also edits Auditoria and Railway Interiors International. Outside of work, Izzy is rediscovering her love of art by learning how to paint with watercolors.

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