As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE EMERGENCY LIGHT BATTERY CAPACITY TEST PER AMM 33-51-06-200-801, FLOOR PROX LIGHTS AT ROW 1-4 AND 7-15 FAILED THE REQUIREMENT. BATTERY PACKS AT M1674 AND M2503 NEEDS TO BE REPLACED. PARTS ARE PLACED ON AOG. REMOVED AND REPLACED BOTH EMERGENCY SUPPLY BATTERY PACKS M1674 AND M2503 IAW AMM 33-51-06, OPS CHECK GOOD.