As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD OVERHEAD EXIT, NO SMOKE, FASTEN BELTS, AND LAV LIGHTS NOT ILLUMINATING DURING NORMAL OPERATION OR DURING TEST. REMOVED FROM SERVICE. C/W Q400 FIM TASK 32-24-00-810-803. WIRING TESTS GOOD. REPLACED RELAY 3323-K1 DONE IAW Q400 AMM 20-30-16-960-801. NO HELP. REPLACED PAX WARNING PANEL IAW Q400 AMM 31-51-10-000-801/400-801. OPS TESTS GOOD. ALL LIGHTS ON PAX WARNING PANEL ILLUMINATE NORMALLY. RETURNED TO SERVICE.