As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY AISLE LIGHTS AT ROWS L/H 6;9&12 AND L/H 8 INOP ; EMERGENCY AISLE LIGHTS AT ROWS L/H 6;9&12 AND R/H 8 INOP / [01] PERFORMED TROUBLESHOOTING; FOUND BATTERY PACK M2335 DEFECTIVE AS PER B737 AMM 33-51-06-960-805; [02] VERIFIED STEP 1.; [03] REMOVED AND REPLACED BATTERY PACK AT POS. M2335. PERFORMED OPS CHECK; FOUND LIGHTS OPERATING NORMAL AS PER B737 AMM 33-51-06-960-805. <BR>S/N OFF: 59272<BR>S/N ON: 86946; [04] VERIFIED STEP 3