A few that I can't see why;
10d. Grant perhaps covering credit with special terms about making plans(11) I have - Cartography
14a.Royal Academy preserve housing Queen gives profiteering landlord(7) - Rackman?(km=Queen????)
38a. Model driven on test such internally is without 19(3-11) - Non-Destructive.
PS The answer to 19 is Breakage.