What was found
DURING NR 2 SERVICE CHECK STEP 3 HAD EPSU EMERGENCY L MESSAGE. REPLACED LT EPSU BATTERY FOR 11WL OVERWING, BEHIND LOWER SIDEWALL PANEL. CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING NR 2 SERVICE CHECK STEP 3 HAD EPSU EMERGENCY L MESSAGE. REPLACED LT EPSU BATTERY FOR 11WL OVERWING, BEHIND LOWER SIDEWALL PANEL. CHECKED NORMAL.