As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SEVERAL MAIN CABIN EMER LIGHTS OUT. GROUNDED - YES. REMOVED, REPLACED AND OP TEST IS GOOD OF MAIN CABIN EMER LIGHTS, POWER SUPPLY AND POWER SULLY BATTERY PACK IAW B737-800 AMMS 33-51-06-960-805 33-51-06-960-806 AND 33-51-00-720-801.