As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN CEILING EMERGENCY LIGHTS AT ROW 3 AND 7 WOULD NOT STAY ILLUMINATED FOR 15 MINUTE FUNCTIONAL TEST. REPLACED BATTERY IN EMERGENCY LIGHT POWER SUPPLY UNIT 2 IAW EMBRAER 175 MM TASK# 'S 33-50-01-000-801-802-A AND 33-50-01-400-802-A. EMERGENCY LIGHTS SYSTEM OPERATIONAL TEST GOOD IAW EMBRAER 175 MM TASK# 33-50-00-710-801-A.