SELECT DISTINCT SACODE, TYPE, A_DATE, A_DESC
 FROM alltext_sa_codes2_v
 WHERE 
  LANG = 'R'
  AND SACODE IN ('W77','X47','X48',' ','W66','577','W85','W89','W95','W97','B87','W63','W98','901','919','F10','Z17','ZZ2','N16','N18','N19','W60','Z40',' X48','A30','E38','B23','Z66','Z16','W87','H10','F56','F57','V45','V60','V98','E11','F43')
  AND CLASS = 'T'
  AND `TYPE` == '437'
 ORDER BY SACODE, TYPE, A_DATE 

MySQLi_conn::query: Exec query Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '== '437' ORDER BY SACODE, TYPE, A_DATE' at line 7