As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EMERGENCY LIGHT TEST, FLIGHT DECK EMERGENCY LIGHT DOESNT ILLUMINATE. CABIN EMERGENCY LIGHTS FUNCTION NORMALLY. REMOVED FROM SERVICE. PERFORMED EMERGENCY LIGHTING OPS TEST IAW E-175 AMM 33-50-00-710-801-A. OPS TEST PASSED NO FURTHER DEFECTS. NO PARTS REPLACED. RETURNED TO SERVICE.