# SDR UIEA2017060500918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2017
- Submitted: June 5, 2017
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 83,273 hours, 17,657 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: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017060500918

## Discrepancy

APU FAILED TO START ON TAXI IN 3 ATTEMPTS.  ACCOMPLISHED FIM 49-11 F/T 458 AND BITE ECU AND FAULTED START CIRCUIT CLEARED MESSAGE AND PERFORMED APU OPERATIONAL CHECKED IAW AMM 49-11-00/501 AND AIR /ELECTRICAL OPS CHECKED OK WILL REQUIRE APU COLD SOAK START.

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