Training Video 5 Jack Fail

This happened at a hangar at TUL. Normally to jack up a MD-80, your would have one jack underneath each wing and one at the tail. At this station, it was Tribal Knowledge (not procedure) to add a bottle jack under the nose wheel to stabilize the aircraft. When the aircraft was set down, the bottle jack wasn't removed causing the seen result. The rear jack punctured the pressure bulkhead causing the aircraft to be scrapped. This is an example of the FAA's Dirty Dozen. It exemplifies:
2) Complacency
12) Norms (Tribal Knowledge)
I always believe in learning from other's mistakes. These videos are meant in that vein. Learn from them and try not to repeat them yourself.