What was found
STATUS MESSAGE MAIN BATTERY CHARGER APPEARED AFTER GROUND POWER FELL OFF. MAIN BATTERY CHARGER SWAPPED WITH APU BATTERY CHARGER, APU BATTERY CHARGER DEFERRED AS PER MEL. REPLACED APU CHARGER. TEST PASSED, OPS OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STATUS MESSAGE MAIN BATTERY CHARGER APPEARED AFTER GROUND POWER FELL OFF. MAIN BATTERY CHARGER SWAPPED WITH APU BATTERY CHARGER, APU BATTERY CHARGER DEFERRED AS PER MEL. REPLACED APU CHARGER. TEST PASSED, OPS OKAY.