As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS INOP FOR BATTERY PACK M1672; M1673 ; M1674; M1675. / [01] REMOVED & REPLACED BATTERY PACK & POWER SUPPLY FOR M1672 AS PER B737 AMM33-51-06-960-805 & AMM33-51-06-610-802;[02] CHARGED BATTERY PACK FOR M1673; M1675 AS PER B737 AMM 33-51-06-610-802;[03] RESECURED BATTERY PACK FOR M1674 AS PER REF B737 AMM 33-51-06-960-805;[04] PERFORMED EMERGENCY LIGHTS OPERATIONAL TEST CHECK NORMAL PER B737 AMM 33-51-00-710-801;[05] VERIFIED STEP 1;2;3;4