As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPERATIONAL CHECK OF THE EMERGENCY LIGHT SYSTEM ON A LINE CHECK 7D AND 8D FLOOR PROXIMITY LIGHTS WERE NOT ILLUMINATING. EMERGENCY LIGHT POWER SUPPLY 23LN WAS REPLACED IAW COLGAN AIR WORK CAR 33-60-025 AND SYSTEM CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (A)