What was found
AIRCRAFT WAS NOT GROUNDED: AFT LEFTHAND EXTERNAL LOAD FAULT SHOWS ON AFT EMERGENCY POWER SUPPLY UNIT 13WL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 13WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: AFT LEFTHAND EXTERNAL LOAD FAULT SHOWS ON AFT EMERGENCY POWER SUPPLY UNIT 13WL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 13WL.