What was found
AIRCRAFT WAS NOT GROUNDED: FOUND EMERGENCY POWER SUPPLY UNIT BATTERY AT 15WL FAULTING DURING CHANGE OF SLIDES. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 15WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: FOUND EMERGENCY POWER SUPPLY UNIT BATTERY AT 15WL FAULTING DURING CHANGE OF SLIDES. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 15WL.