# SDR UIEA2021071701580

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2021
- Submitted: July 19, 2021
- Operation: Air carrier
- Aircraft: [N641GT](https://openairdocs.org/aircraft/N641GT), registered now
- Make and model: Boeing 767-38E
- Registry model: [Boeing 767-38E](https://openairdocs.org/model/boeing-767-38e) (OpenAirDocs)
- Aircraft serial: 25132
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Faulted
- 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/UIEA2021071701580

## Discrepancy

AFTER LANDING, APU FAULT EICAS MESSAGE DURING APU START ATTEMPT. ATTEMPTED 3 STARTS; APU ACCELERATED TO 23% AND THEN SHUTDOWN ON EACH ATTEMPT.(<P>PERFORMED BITE ON ECU, NO FAULTS. STARTED APU FIRST TRY PER AMM 49-50-00. APU OK FOR SERVICE.</P>)

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