Simon Glancey has submitted the following:

Sgt. Henderson was killed when Handley Page Halifax II LW242 VR-N of 419 (R.C.A.F.) Squadron was lost on a mission to Stuttgart. The Halifax crashed near Sankt Ingbert, with the loss of all seven crew members.
Royal Air Force Bomber Command Losses of the Second World War: 1943;W.R. Chorley; 1996; Midland Counties Publications; ISBN 0 904597 90 3, page 405

Tony Hibberd has added the following:

Halifax LW242 VR-N had departed Middleton St. George at 1701 for Ops Stuttgart It was engaged and hit by Flak units in Saarbrucken. The aircraft exploded and then crashed at St. Ingbert at 2115
Nachtjagd Combat Archive 1943 Part 3 Dr Theo Boiten

James Robert Henderson is remembered in Berwick on B25.35

More information about LW242 and its crew can be found here:
The CWGC entry for Sergeant Henderson