# SDR UIEA2019080404942

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2019
- Submitted: August 9, 2019
- Operation: Air carrier
- Aircraft: [N1487A](https://openairdocs.org/aircraft/N1487A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 28865
- Aircraft time: 85,623 hours, 17,321 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter
- Part number: 5198588
- Part serial: 1102664C
- Condition: Failed
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019080404942

## Discrepancy

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.

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