What was found
AIRCRAFT WAS NOT GROUNDED: BATTERY/EPSU 10WL FWD LEFT. MAINTENANCE REPLACED BATTERY OF THE EMERGENCY POWER SUPPLY UNIT (EPSU) 10WL.IAWAMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: BATTERY/EPSU 10WL FWD LEFT. MAINTENANCE REPLACED BATTERY OF THE EMERGENCY POWER SUPPLY UNIT (EPSU) 10WL.IAWAMM 33-51-38.