What was found
AIRCRAFT IN BASE MAINTENANCE: BATTERY FAULTED IN EMERGENCY POWER SUPPLY UNIT 13WL. REPLACED BATTERY WITH NEW, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: BATTERY FAULTED IN EMERGENCY POWER SUPPLY UNIT 13WL. REPLACED BATTERY WITH NEW, OPS CHECK GOOD.