# SDR UIEA2021072201612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2021
- Submitted: July 23, 2021
- Operation: Air carrier
- Aircraft: [N1327A](https://openairdocs.org/aircraft/N1327A), registered now
- Make and model: Boeing 767-37D
- Registry model: [Boeing 767-37D](https://openairdocs.org/model/boeing-767-37d) (OpenAirDocs)
- Aircraft serial: 26328
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Part number: 106170756
- Part serial: 87456984
- Condition: Faulted
- Location: Apu
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021072201612

## Discrepancy

APU WILL NOT START "GCU" SPARKS "IGN BOX" FAULT(<P>REMOVED AND INSTALLED SERVICEABLE IGNITION EXCITER IAW AMM 49-41-03. APU STARTS AND FUNCTIONS PROPERLY </P>)

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