What was found
BATTERY PACK BASE UNIT/CHARGER WOULD NOT TEST WHEN RED TEST BUTTON PUSHED IN AT MO1669 RIGHT WING. REMOVED AND REPLACED BATTERY PACK BASE/CHARGER UNIT PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BATTERY PACK BASE UNIT/CHARGER WOULD NOT TEST WHEN RED TEST BUTTON PUSHED IN AT MO1669 RIGHT WING. REMOVED AND REPLACED BATTERY PACK BASE/CHARGER UNIT PER MM.