# SDR UIEA2021110802357

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2021
- Submitted: November 8, 2021
- Operation: Air carrier
- Aircraft: [N1013A](https://openairdocs.org/aircraft/N1013A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30110
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: None
- Condition: None
- Stage of operation: NR
- 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/UIEA2021110802357

## Discrepancy

WHEN EXT PWR SELECTED ON AFTER BOCK IN APU SHUT DOWN WITH ASSOCIATED EICAS MESSAGE APU FAULT(<P><SPAN>PREFORMED APU BITE PROCEDURES IAW B767 FIM 49-11 FAULT TREE 987 NO FAULT S NOTED APU OPS CHECK GOOD NO FURTHER MX ACTION REQUIRED </SPAN></P>)

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