As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT MAINTENANCE ACCIDENTLY BROKE A WIRE TO THE EMERGENCY LIGHT STRIP AT PANEL 251 DF. THE AIRCRAFT WAS REMOVED FROM SERVICE. INSTALLED NEW CONTACT ON EMERGENCY LIGHT STRIP AT PANEL 251DF IAW EMB 140 SWPM 20-21-00, 20-50-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.