What was found
PIT - EEL - C8 CHECK - EMERGENCY POWER SUPPLY UNIT 13WL FAILS EXTERNAL LOAD TEST. REPLACED AN OPERATIONAL CHECKED EMERGENCY POWER SUPPLY UNIT 13WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - EEL - C8 CHECK - EMERGENCY POWER SUPPLY UNIT 13WL FAILS EXTERNAL LOAD TEST. REPLACED AN OPERATIONAL CHECKED EMERGENCY POWER SUPPLY UNIT 13WL.