Stage 1 of B12 outer shell repairs. The cracked shoulders have been removed back to sound metal. The grooved areas adjacent the foundation ring have been removed and the new plates trial fitted.
B12 New R H shoulder after flanging.
B12 Trial fitting of RH shoulder
B 12 LH fitting nearly complete. The plate will be removed and the edges prepped for welding
B12 Welding RH shoulder. A welding sequence is used in order to minimise distortion.
B12 finished shoulder. The weld will now be 100% NDT tested.