What was found
ELEC CAUTION LIGHT ON AFTER START, RETURNED TO GATE. GROUNDED-YES. REMOVED AND REPLACED AUX BATTERY CHARGER, REF B737-900 AMM 24-31-31. OPERATIONS CHECKS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ELEC CAUTION LIGHT ON AFTER START, RETURNED TO GATE. GROUNDED-YES. REMOVED AND REPLACED AUX BATTERY CHARGER, REF B737-900 AMM 24-31-31. OPERATIONS CHECKS NORMAL.