A FORMER solicitor's clerk appeared in Western Court yesterday on fraud charges relating to mortgage loans. Sunny Tang Wai-hung, 40, faces 10 charges including use of a false letter and obtaining a pecuniary advantage. Tang and Ng Cheuk-man are charged jointly with two counts of using a false letter and of obtaining a pecuniary advantage by deception in July and August 1992. Magistrate John Saunders transferred the case to the District Court on December 30 for plea.