What was found
AIRCRAFT WAS GROUNDED:.EMERGENCY POWER SUPPLY FAILED TEST, SHOWED UNIT FAULT. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT PER TASK CARD 26C00033004.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED:.EMERGENCY POWER SUPPLY FAILED TEST, SHOWED UNIT FAULT. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT PER TASK CARD 26C00033004.