Original Posted By: "John McNarry"
"Contributing to the accident were (1) Alaska Airlines' extended lubrication interval, and the FAA's approval of that extension, which increased the likelihood that an unperformed or inadequate lubrication would result in excessive wear of the acme nut threads; and (2) Alaska Airlines' extended end play check interval, and the FAA's approval of that extension, which allowed the excessive wear of the acme nut threads to progress to failure without the opportunity for detection."________________________________________________________________________________