Page:Report of the Board of Inquiry into the Helderberg air disaster.djvu/69

Rh is attached to the fuselage structure and deposits of molten material were noted between the 9G barrier net and pallet position PL. Several straps of the 9G barrier net, which were visible, showed some heat damage and signs of blue stains.

(4) Horizontal stabilizer assembly. (Target 41: see App C Volume 2 p .)

The horizontal stabilizer was found to be complete with elevators attached. There was no evidence of heat or smoke deposits on the skin surfaces. The left stabilizer leading edge was detached from the front spar. The tip and adjacent structure were extensively damaged i.e. split and bent upwards. The outboard elevator tip was detached. It was observed that the stabilizer actuator jackscrew had sheared below the gimbal ball nut with four grooves protruding below the ball nut and nine grooves above. No distortion of the jackscrew was evident. The inboard rib at the