https://www.esscoaircraft.com/If you know what the model # is or what TO# it is supposed to be sometimes you might ask around and someone will be nice enough to share what they have.
Good luck! I do know what a pain it can be searching for a long disused TO.
KK
_________________
Kevin Kearney
Vice President
Berlin Airlift Historical Foundation
C-54D "Spirit of Freedom" 43-17228
C-97 "Angel of Deliverance" 52-2718 (painted as YC-97A 45-59595)
C-54E/R5D-4 "Spirit of Freedom" 44-9144 BuNo 90414 (wfu April/2020)http://www.spiritoffreedom.org