	At the Mitsubishi Yokohama shipyard, "Isuzu" was repaired and modified with the installation of a Type 21 air-search radar. The No. 7 14 cm/50 3rd Year Type naval gun was replaced by an unshielded twin 12.7 cm/40 Type 89 naval gunmount. The No. 5 gun was removed. Two triple 25-mm mounts were added bringing the light AA suite to ten 25-mm AA mounts and one quadruple Type 93 13.2 mm machine gun in front of bridge.