What was found
APU RELIABILITY COLD START ACCOMPLISHED ON FLIGHT LEG ONT-RFD SAT -46, FL 410, 3 ATTEMPTS UNSUCCESSFUL.(<P>NOTED BY MX. THIS CLOSES MDDR 115734, APU DEFERRED. REF LP 1091648 - ITEM 7.</P><P>LP 1091648 - M7: TRANSFERRED TO MDDR # 115774 IAW DDG 49-11-01A, CAT 'C', DUE DATE: 14-AUG-2019. PLACARDS INSTALLED. </P><P>LP 1091649 - M2: BIT ECU IAW 49-11 FT 987, RECEIVED SEE MAINT MANUAL ON SHUT DOWN 1 TO 4, NO FAULTS NOTED ON ECU SELF TEST. MINI FLAGS 36 38 42 66 OBSERVED. DUE TO IGV ACTUATOR PREVIOUSLY REPLACED, PLACED ECU ON ORDER WITH MCC. DMI 115774 REMAINS OPEN.</P><P>LP 1091667 - M4: REMOVED AND REPLACED APU STARTER MOTOR REF AMM 49-41-01. LEAK & CHECK GOOD.