As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS WON'T TEST FROM NOSE GEAR SWITCH S10035. CK OK FROM TEST SWITCH ABOVE L1 DOOR. CHECKED FOR POWER AND GROUND AT SWITCH S10035. POWER GOOD AT TERMINAL 2 BUT FOUND NO GROUND ON TERMINAL 1. FOUND LOOSE CONNECTION AT GROUND STUD GD29-DC. SECURED LOOSE NUT. SLIDE LIGHT OPS TESTED GOOD.