What was found
AIRCRAFT NOT GROUNDED. DURING CHECK OF EMERGENCY POWER ASSIST, FOUND R3 ENTRY DOOR 9-VOLT BACKUP BATTERY LOW. REPLACED BATTERY PER CARD 2907.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT NOT GROUNDED. DURING CHECK OF EMERGENCY POWER ASSIST, FOUND R3 ENTRY DOOR 9-VOLT BACKUP BATTERY LOW. REPLACED BATTERY PER CARD 2907.