As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT RIGHT EMERGENCY LIGHTS TURN OFF AFTER LESS THAN ONE MINUTE DURING TEST. / REMOVED AND REPLACED AFT RIGHT EMERGENCY LIGHT BATTERY PACK M1672 AND PERFORMED GOOD OPERATIONAL TEST OF M1672 BATTERY PACK AS PER AMM. 33-51-06-960-802 AND WDM 33-51-14. 59132U 20FEB21