As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMP 10001944 AWR CUSTOMER REQUEST: EMERGENCY LIGHT AT LEFT OVER WING DON'T TURN ON DURING TEST - RESOLUTION: - EMERGENCY POWER SUPPLY OF EMERGENCY LIGHT AT LEFT OVER WING PN D717-02-001 WAS REPLACED PER B737-800 AMM 33-51-06 AND OPERATIONAL TEST OK