What was found
PERFORMED EMERGENCY POWER SUPPLY UNIT (EPSU) TEST. UNIT "FAULT" WAS DISPLAYED. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (EPSU) PER JOBCARD 26C00033004. OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PERFORMED EMERGENCY POWER SUPPLY UNIT (EPSU) TEST. UNIT "FAULT" WAS DISPLAYED. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (EPSU) PER JOBCARD 26C00033004. OPS CHECKED GOOD.