# SDR UIEA2019072904894

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2019
- Submitted: July 29, 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: 85,555 hours, 17,297 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Unknown
- Condition: Malfunctioned
- 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/UIEA2019072904894

## Discrepancy

APU RELIABILITY COLD START ACCOMPLISHED ON FLIGHT LEG ONT-RFD SAT -47  FL 410, START UNSUCCESSFUL ON 3 ATTEMPTS.(<P>C/W OPS CHECK OF APU. NO DEFECTS NOTED, APU STARTS SUCCESSFULLY.  APU COLD START MDDR 115327 REMAINS OPEN IAW AMM 49-11-00.</P><P>LP 1090199 - DUE TO APU FAILED TO START ON 3 ATTEMPTS. APU WAS PLACED ON DEFERRAL. </P>)

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