What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 14WL FAILED TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 14WL BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 14WL FAILED TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 14WL BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.