As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHTS BATTERY PACK M1674 INOP. ; / [01] REMOVED & REPLACED POWER SUPPLY AT POS. M1674 AS PER B737 AMM 33-51-06-960-806. PENDING TEST; [02] REMOVED AND REPLACED BATTERY PACK AT POS. M1674 AS PER B737 AMM 33-51-06-960-805.; [03] PERFORMED POWER SUPPLY AND BATTERY PACK OPS CHECK; FOUND NORMAL AS PER B737 AMM 33-51-06-960-806 & 33-51-06-960-805.; [04] VERIFIED STEP 1;2;3