As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT BATTERY PACK AT LOCATION M1669 FAILED CAPACITY TEST ; EMERGENCY LIGHT ATTERY PACK AT LOCATION M1669 FAILED CAPACITY TEST / [01] REMOVED AND REPLACED EMERGENCY BATTERY AT LOCATION M1669 PER AMM 33-51-06 WITH REFERENCE TO DWG 33500005