As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - ROW 8ABC THROUGH 14ABC EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AND BATTERY PACK. OPS. CK. GOOD. REF AMM- 33-51-06-960-806 AND AMM- 33-51-06-960-805. LOCATION OF POWER SUPPLY AND BATTERY PACK M2503