As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER LT BAT 1 LO LEVEL 1 MESSAGE DURING PREFLIGHT OF EMERGENCY LIGHT SYSTEM REVERSED DMP. REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY POWER SUPPLY IAW MD11 AMM 33-51-01. OPS CHECK GOOD, MESSAGE DID NOT REAPPEAR. THIS CLEARED MEL, PLACARD REMOVED.