What was found
FORWARD LEFT EMERGENCY POWER SUPPLY UNIT FAILS TEST. REPLACED THE BATTERY IN THE POWER SUPPLY AND ACCOMPLISHED A SATISFACTORY OPS CHECK IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FORWARD LEFT EMERGENCY POWER SUPPLY UNIT FAILS TEST. REPLACED THE BATTERY IN THE POWER SUPPLY AND ACCOMPLISHED A SATISFACTORY OPS CHECK IAW AMM 33-51-38.