As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY BATTERY PACK AT POSITION M1673 AND M1668 FAILED OPS TEST. / [01] REMOVED AND REPLACED EMERGENCY BATTERY PACK AT POSITION M1668 REF B737 AMM 33-51-06-960-805;[02] VERIFIED STEP 1;[03] REMOVED AND REPLACED EMERGENCY BATTERY PACK AT POSITION M1673 REF B737 AMM 33-51-06-960-805;[04] EMERGENCY LIGHTING SYSTEM OPS CHECKED NORMAL REF B737 AMM 33-51-06-960-805;[05] VERIFIED 3; 4