"However, the ride is manufactured by KMG, a company based out of The Netherlands that manufactures amusement rides. Through KMG, the ride is called The Afterburner, and its had structural issues in the past. In 2007, KMG sent a letter to all Afterburner owners informing them that On recent investigation on one of the Afterburner rides, it was discovered that structural fatigue cracking of the swing arm was developing on Afterburner rides supplied by KMG."

Welding is a definite high variability process.