It looks like the refund was returned to:
income (locked) >>> blockchain_list_address_balances BTSNpRmxSoXfE5SuCcZqacNdc4QC8zWD5Pyb
[[
"BTSCbUjdFLjUpjCtUJyazyhEJmCg8oJr6Aun",{
"condition": {
"asset_id": 0,
"slate_id": 0,
"type": "withdraw_signature_type",
"data": {
"owner": "BTSNpRmxSoXfE5SuCcZqacNdc4QC8zWD5Pyb",
"memo": null
}
},
"balance": 0,
"restricted_owner": null,
"snapshot_info": null,
"deposit_date": "2015-01-31T19:27:30",
"last_update": "2015-01-31T20:27:20",
"meta_data": null
}
]
]
Which is now empty and the balance was spent by this transaction:
"8a0b6d297be9438cc8ba3385c6c78caa565f2da7": {
"timestamp": "2015-01-31T20:27:30",
......
"type": "withdraw_op_type",
"data": {
"balance_id": "BTSCbUjdFLjUpjCtUJyazyhEJmCg8oJr6Aun",
"amount": 9999990000,
"claim_input_data": ""
}
Did you overlook spending the funds in transaction 8a0b6d297be9438cc8ba3385c6c78caa565f2da7 ?