What was found
AIRCRAFT WAS GROUNDED: FORWARD LEFT-HAND EMERGENCY POWER SUPPLY UNIT BATTERY INOPERATIVE. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: FORWARD LEFT-HAND EMERGENCY POWER SUPPLY UNIT BATTERY INOPERATIVE. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.