That's a tidy machine - far from a "wreck" that it was described as. I guess you "live and learn".
Do you have the schematics ?
We are talking about "General Illumination" lights ? These are usually "daisy chained" around the playfield and are easily disturbed or broken if the playfield is lifted or dropped without caution. I'm sure it is a simple fix. Sometimes GI is fused in sections. Could be a fuse or fuse clip.
