# SDR UIEA201812312954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2018
- Submitted: December 31, 2018
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- Aircraft time: 103,826 hours, 20,090 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Malfunctioned
- Stage of operation: TX
- 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/UIEA201812312954

## Discrepancy

AFTER ENGINE START ISOL VALVE SELECTED APU FAULTS AND SHUTS DOWN(<P>PERFORMED ECU BITE CHK PER FIM 49-11 FAULT TREE 958 CHECKED APU WITH AND WITHOUT ENGINES RUNNING PER AMM 49-11-00 AND AMM 72-00-00 NO FAULTS NOTED APU OPS CKS NORMAL </P>)

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