As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING T/C 78233001 FOUND MOST EMERGENCY INTERIOR LIGHTS INOP AFTER EMERGENCY LIGHTS BEING ON FOR 10 MINUTES. GROUNDED - YES. REMOVED AND REPLACED M1672 , M1673 , M1695 AND M1694 EMERGENCY EXIT LIGHT BATTERY PACK. REF B737-800 WDM 33-51-13 & 33-51-14.