Call Jayco with your VIN# and ask for the framing layout for your trailer.
Good luck. I've heard that unless the ladder is installed from the factory, the support framing is not installed. I hope that information is wrong.
Sherm & Terry w/rescues Steve (std Poodle) & Eydie (min Schnauzer)
2015 Jay Flight 27RLS (Camped: 102 nights 2015, 90 nights 2016)
2006 Ford F350 6.0 PSD, Lariat, 4WD, CC, LB, SRW, auto., Camper pkg.