As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVERAL EMERGENCY LIGHTS FAILED OPERATIONAL TEST THROUGHOUT THE CABIN.<[01] REMOVED AND REPLACED AT LOCATIONS M1673; M1670 AND M1669 PERFORMED OPERATIONAL TEST NORMAL AS PER REF B737 AMM 33-51-06-960-805;[02] CORRECTION FOR STEP # 1 REMOVED AND REPLACED EMERGENCY BATTERY PACK AT LOCATIONS M1673; M1670 AND M1669 PERFORMED OPERATIONAL TEST NORMAL AS PER REF B737 AMM 33-51-06-960-805;[03] VERIFIED 2.