As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD 3 EMERGENCY LIGHTS IN CABIN INOP. EMERGENCY LT BATTERY FAULT EICAS MESSAGE. REMOVED GROM SERVICE. INTERAGATED CMC NO FAULT CODES FOUND. PERFORMED EMERGENCY LIGHTING OPS TEST AFTER POWER CYCLE. PER AMM 33-50-00-710-801-A. NO DEFECTS NOTICED. OPS CHECK GOOD. NO FAULT ON EICAS BEFORE STARTING OPS CHECK. RETURNED TO SERVICE. COULD NOT DUPLICATE. NO PARTS REPLACED.