ARMY TM 9-2815-257-24 AIR FORCE TO 38G1-128-2 MARINE CORPS TM 10155A/2815-24/3 B-4 B-5.  Explanation of Columns in Remarks, Section IV. a. Column 1, Remarks Code.  The code recorded in Column 6, Section II. b. Column  2,  Remarks.    This  column  lists  information  pertinent  to  the  maintenance  function  being performed as indicated in the MAC, Section II.