Drilled fastner holes through skin Z angles. Enlarged hinge holes to final size. Removed door and deburred holes. Opened fastner holes to 5/32" and clecoed nutplates in place. Drilled 3/32" nutplate mounting holes with them clecoed for proper alignment and spacing. Removed nutplates. Opened center holes to 13/64". Deburred all holes on both top and bottom. Riveted Z angles in place with A4 rivets. Riveted nutplates in place. Open holes in door to 13/64". Deburred. Filed door edges to smooth. Dry fit door to check hole alignment - perfect!
Removed door and hinge. Cut hinge pin 5mm shorter than hinge and pinched hinge ends to keep the pin in place.
holes lined up perfectly.
top side of access door showing nutplates riveted in place.
