What was found
DURING INSPECTION THE EMERGENCY LIGHT POWER SUPPLY CHECK FAILED AT THE LEFT MID CABIN. MAINTENANCE REMOVED AND REPLACED THE LEFT MID CABIN EMERGENCY POWER SUPPLY UNIT (11WL), OPERATIONAL CHECK WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING INSPECTION THE EMERGENCY LIGHT POWER SUPPLY CHECK FAILED AT THE LEFT MID CABIN. MAINTENANCE REMOVED AND REPLACED THE LEFT MID CABIN EMERGENCY POWER SUPPLY UNIT (11WL), OPERATIONAL CHECK WAS GOOD.