What was found
EMERGENCY POWER SUPPLY UNITS 11WL FAILED THE SYSTEM TEST. REMOVED AND REPLACED UNIT 11WL IAW AMM 33-51-00. OPERATIONAL CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY POWER SUPPLY UNITS 11WL FAILED THE SYSTEM TEST. REMOVED AND REPLACED UNIT 11WL IAW AMM 33-51-00. OPERATIONAL CHECKED NORMAL.