What was found
AIRCRAFT WAS NOT GROUNDED: FOUND AFT EMERGENCY POWER SUPPLY UNIT FAULTED. REMOVED AND REPLACED AFT EMERGENCY LIGHT POWER SUPPLY UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: FOUND AFT EMERGENCY POWER SUPPLY UNIT FAULTED. REMOVED AND REPLACED AFT EMERGENCY LIGHT POWER SUPPLY UNIT.