The Boeing 737-300 MSN 24910 first operator in 1991 was SunExpress and in the years 2000-2003 it was operated by Malév Hungarian Airlines.
In 2003, Norwegian Air Shuttle leased the aircraft from ORIX Aviation. The airlines named it after Sigrid Undset, a Norwegian novelist awarded the Nobel Prize for Literature in 1928.
AELS purchased the aircraft and in June 2014 it took its last flight to Woensdrech Airport in the Netherlands for complete disassembly and dismantling by AELS.
For the dismantling of the aircraft fuselage AELS joined forced with Husqvarna, an international company specializing in power products. Husqvarna used a unique technique of wire cutting for the fuselage, which reduced the material debris and allowed a safe and clean cut of the aircraft within hours.