Brief Description: Reworked the seat back supports, installled the he
Positioned, marked, drilled and fitted then final installed the Heatn exchanger box to the firewall face as instructed. Began the measuring, marking and punching of the relevant penetration points on the firewall as well as for the access hole at the nose wheel securing bolt location. Removed and reshaped the seat back supports L&R, had to remove some more of the flange to better fit with the position of the cabin frame and marked, pilot drilled and then hole sawed the lighteneing holes I was meant to cut long ago but didn;t have the necessary hole saw.
