What was found
EPSU RIGHT MESSAGE DISPLAYED AFTER EMERGENCY LIGHTS SYSTEM TEST. CORRECTED BY REMOVING AND REPLACING 12WL RIGHT OVERWING POWER SUPPLY UNIT. CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EPSU RIGHT MESSAGE DISPLAYED AFTER EMERGENCY LIGHTS SYSTEM TEST. CORRECTED BY REMOVING AND REPLACING 12WL RIGHT OVERWING POWER SUPPLY UNIT. CHECKS OK.