SAS inspection reveals corrosion on 25 of its 27 Q400s

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SAS Group’s inspections of its Bombardier Q400 turboprop fleet have revealed 25 of its 27 aircraft to be affected by corrosion similar to that found on the aircraft which suffered a landing gear-collapse in Denmark on 9 September.

Two SAS Group aircraft recently suffered gear-collapses on landing, one at Aalborg in Denmark on 9 September and the other at Vilnius in Lithuania on 12 September.

After a detailed inspection programme, an SAS Group spokesman says that corrosion has been found on 25 of its Q400s. He adds that this has been reported to the civil aviation authorities.

He says: “There was corrosion in that part which the Danish accident investigators confirmed as the cause of the accident in Aalborg.”

Danish investigators found evidence that the aircraft at Aalborg suffered an actuator piston failure, the result of corrosion, in its starboard main landing-gear. Lithuanian investigators have since found evidence of a similar failing on the Vilnius aircraft.

SAS Group operates 27 Q400s. Of these, 23 are operated by Scandinavian Airlines – including the two damaged aircraft. The remainder are operated by Wideroe in Norway.