What was found
APU FAULT REVERSE FLOW APU INOP.(<P>TRANSFERRED TO DMI 125491 PER MEL 49-11-01A, CAT 'C'.</P><P>LP 1208396 ITEM M9: REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW AMM 49-53-01, OPS CHK AND LEAK CHK GOOD. THIS CLEARS DMI 125491.</P><P>LP 1208395: WHEN DOING TROUBLESHOOTING APU SHOT OF VISUAL INSP BITE BOX FOUND REVERSE FLOW VALVE GASKET BROKEN. REPLACED REVERSE FLOW VALVE GASKET IAW 49-53-08 (OFF PART: <SPAN>PN 3876415-4, NSN</SPAN><SPAN>).</SPAN></P><P>LP 1208396 ITEM M10: INSTALLED NEW BOLT ON APU REVERSE FLOW VALVE IAW AMM 49-53-08. OPS CHECK AND LEAK CHECK GOOD AT THIS TIME.</P>)