As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT BATTERY PACK FOR SEAT ROWS 22ABC THROUGH 31ABC I S WEAK ON INBOUND. SUPPORT TASK EMX N/R 00036. ESFR COMPLETE REMOVED AND REPLACED POWER SUPPLY BATTERY PACK AT M1672 EMERGENCY PATHWAY LIGHTING OPS CHECK GOOD IAW AMM 33-51-06-960-805 AND AMM 33-51-00-710-801.