Tightened nut around ball lift plunger.

Cleaned and waxed playfield, replaced balls, cleaned glass on both sides.

Most lights were out. Light fuse was good. Traced lights wire to lock relay. Pushing on the lower switch turned the lights on. Filed switch surfaces with metal file. Lights now work.

With Trade Winds, missing lights are normally a Jones plug or other contact issue, rather than the bulbs themselves.