As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT BATTERY PACK ON POWER SUPPLY M1670 AT SEAT ROW 22DEF REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED AND PERFORMED OPS CHECK ON EMERGENCY LIGHT BATTERY PACK AT SEAT ROW 22DEF IAW AMM 33-51-06. OPS CHECK GOOD.