Japan Air Lines 123
Printed page 126. PDF page 137.
caused separation of the rudder, and four systems of hydraulic pressure line for the rudder control system were all fractured. 4.1.6.6 It is estimated that such destruction of the aircraft progressed within a period as short as a few seconds.Open official document at PDF page 137AAIC final report: Japan Air Lines Boeing 747SR-100 JA8119