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] DURING T/S FOUND EMERGENCY BATTERY PACKS DEFECTIVE AT POSITIONS M2335; M1676 AND M1671 PER REF. WDM 33-51-11;[02] REMOVED & INSTALLED SERVICEABLE BATTERY PACKS FOR POSITION M2335; M1676 AND M1671 PER B737 AMM 33-51-06-960-805.;[03] PERFORMED INSTALLATION TEST OF THE (3EA) BATTERY PACKS; TEST PASS. REF. TO AMM 33-51-06-960-805.;[04] VERIFIED STEP 1 THRU 3