What was found
APU FAILED TO START AFTER 3 ATTEMPTS, AFTER LANDING(<P>TRANSFERRED TO MDDR 113916 PER MEL 49-11-01, CAT C, DUE 08 JUL 19.</P><P>LP 818865 - M11: REMOVED AND REPLACED EXCITER BOX ON APU REF AMM 49-41-03. DMI REMAINS OPEN AT THIS TIME. OFF PART(P/N: 10-617075-6, S/N 16030516)</P><P>LP 818865 - M12: REMOVED AND REPLACED APU IGNITION LEAD IAW 49-41-04. REF LP 818867 ITEM 16 FOR IGNITER. OFF PART (P/N: 3888076-3, NSN) </P><P>LP 818867 - M16: REMOVED AND REPLACED APU IGNITION PLUG IAW AMM 49-41-02. OPS CHECK GOOD. THIS CLEARS MDDR 113916. PLACARD REMOVED.</P>)