As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS DO NOT OPERATE CORRECTLY AND FAILED TEST. REMOVED AND REPLACED EMERGANCY LIGHTS BATTERY POWER SUPPLY IAW AMM 33-51-01-2. OPS CHECK GOOD IAW AMM 33-51-01-2. LOCATED BEHIND PANEL 231 AC, CEILING PANEL AFT OF LEFT FWD PASSENGER DOOR. MINOR REPAIR.