# SDR UIEA2018121402832

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2018
- Submitted: December 14, 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: 103,733 hours, 20,059 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- 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/UIEA2018121402832

## Discrepancy

APU RELIABILITY COLD START, AOT -63C FLT 40,000 3 ATTEMPTS UNSUCCESSFUL. PERFORMED BITE TEST ECU IAW AMM 49-61-05, NO DEFECTS OR FAULTS NOTED. APU START FIRST ATTEMPT AND OPS CHECK NORMAL IAW AMM 49-11-00.

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