# SDR UIEA2021030100431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2021
- Submitted: March 1, 2021
- Operation: Air carrier
- Aircraft: [N649GT](https://openairdocs.org/aircraft/N649GT), registered now
- Make and model: Boeing 767375
- Aircraft serial: 25864
- Aircraft time: 92,486 hours, 23,664 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Apu
- Condition: Malfunctioned
- 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/UIEA2021030100431

## Discrepancy

APU COLD START ATTEMPT -47C, FL 380, 3 START ATTEMPTS, 3 START FAILS, EGT 0 22 RPM(<P>PERFORMED APU BITE PER FIM 49-11 FT 958, MINI FLAG 34; LRU - "NO LIGHT OFF". RESET CLEARED, PERFORMED SUCCESSFUL GROUND START PER AMM 49-11-00. ECU SUMMARY- A/C START CIRCUIT.</P>)

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