As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - AISLE AREA EMERGENCY LIGHTS IN CEILING OUT FROM L2 DOOR TO ROW 25 FOUND BATTERY PACK BAD AT M33099 REPLACED BATTERY PER AMM 51-06-960-802 CK OK PARTS USED: 99-3351-3-0015,QTY :1