There are two magnets used in E907. The Jolly Green Giant and ROSIE.
Draft Assembly Procedure, Job Hazard Analysis, and Permit
Jolly Green Giant had a faulty coil. We had it shipped to California (to Alpha Magnetics) and had it fixed. The coil is now back at Fermilab. The following picture shows one of the coil layers.
The faulty coil segment is shown in the following picture.
The completed coil is shown below.
Draft Assembly Procedure, Job Hazard Analysis, and PermitDrawing (pdf)
Older version without obscuring note (pdf)