As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE EMERGENCY LIGHT BATTERIES FAILED CAPACITY CHECK.<[01] PERFORMED DEEP CYCLE AND RECHECKED CAPACITY FOR FAILED BATTERIES IAW AMM 33-51-06. FOUND BATTERY AT M1672 TO BE THE ONLY ONE TO FAIL AFTER DEEP CYCLE. REMOVED AND REPLACED BATTERY AT M1672 LOCATION REFERENCING AMM 33-51-06. OPS CHECK GOOD.