As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVERAL EMERGENCY LIGHTS INOP.<[01] REMOVED AND REPLACED EMERGENCY BATTERY PACKS AT POSITIONS M1694 AND M1670 AS PER REF. B737 AMM 33-51-06-610-802. OPERATIONAL TEST OF EMERGENCY LIGHTS RELATED TO THESE BATTERY PACKS FOUND OK.;[02] VERIFIED STEP 1.;[03] PERFORMED OPERATIONAL CHECK I/A/W BOEING 737 AMM 33-51-00-710-801; OPS CHECK FOUND NORMAL.;[04] VERIFIED STEP 3