As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A **SUPPLEMENTAL SDR** EMER LT BAT 1 LO LEVEL ONE ALERT AFTER TEST. DEFERRED PER MEL 33-50-4 ASSIGNED M682153 PLACARD INSTALLED C/W DMP 33-50-4. REPLACED EMERGENCY LIGHTING BATTERY POWER SUPPLY IAW AMM 33-51-01-000-802/33-51-01-400-802. OPS CK GOOD. THIS CLEARS M6825153.