What was found
BLOCK TURN BACK MAIN BATTERY CHARGER STATUS INDICATION AFTER ENGINE START. REPLACED MAIN BATTERY AS PER MM 24 31 01 404 006, OPS CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BLOCK TURN BACK MAIN BATTERY CHARGER STATUS INDICATION AFTER ENGINE START. REPLACED MAIN BATTERY AS PER MM 24 31 01 404 006, OPS CHECK OK.