As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH OVERWING EMERGENCY LIGHTS INOP-C/A--REMOVED AND REPLACED BOTH OVERWING EMERGENCY LIGHTS IAW EMB AMM 33-50-10-000-801-A AND 33-50-10-400-801-A. NO FIX. TROUBLESHOT, SUSPECTED EMERGENCY BATTERY. REMOVED AND REPLACED EPSU AT THE #3 AND #4 POSITION IAW 33-700-19 W/C. OPC GOOD END. EMERGENCY LIGHTING P/N 2013-1ASMI S/N 9817 (4); S/N 67826 (3); CHARGER ASSY BATTERY P/N BA5-0933-901 (3)