What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT AT 12WL FAILED TEST. REMOVED AND REPLACED BATTERY IAW AMM 33-51-38. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT AT 12WL FAILED TEST. REMOVED AND REPLACED BATTERY IAW AMM 33-51-38. OPERATIONAL CHECK GOOD.