As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS OVER THE LAV AND BY YOUR FEET ON THE LAV AND THE EXIT SIGN BEHIND SEAT 7 FAILED PREFLIGHT TEST (ARMED AND BATTERIES OFF). PERFORMED QRH PROCEDURE (CHARGED TWICE) AND THEY STILL FAILED. IN THE "ON" POSITION, NO EMERGENCY LIGHTS ILLUMINATED. CORRECTIVE ACTION: REPLACED FUSE. OPS CHECK GOOD. IAW CE-680A AMM 33-50-06 AND TC-FLT-33-1001.