(2)The statements in the air consignment note relating to the weight, dimensions and packing of the goods, as well as those relating to the number of packages, are prima facie evidence of the facts stated; those relating to the quantity, volume and condition of the goods do not constitute evidence against the carrier except so far as they both have been, and are stated in the air consignment note to have been, checked by him in the presence of the consignor, or relate to the apparent condition of the goods.
