Folding Ladder Failure

Metallurgical failure analysis was requested for a failed folding ladder. The ladder collapsed under the weight of the user causing an accident. The ladder was examined and its joints and hinges were manipulated and tested. Examination revealed that the ladder had been misused and abused causing damage to one of the hinges. The hinge damage prevented the hinge from performing as designed. Failure analysis investigation determined the cause of the accident to be abuse and inadequate maintenance by the ladder owner.