# SDR HNAA2020121200360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2020
- Submitted: December 12, 2020
- Operation: Air carrier
- Aircraft: [N638AE](https://openairdocs.org/aircraft/N638AE), registered now
- Make and model: Emb EMB-145
- Registry model: [EMB EMB-145](https://openairdocs.org/model/embraer-emb-145) (OpenAirDocs)
- Aircraft serial: 145172
- Aircraft time: 47,150 hours, 43,712 cycles
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Starter Gen
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2020121200360

## Discrepancy

APU GEN OFF BUS MESSAGE APPEARED ON EICAS WITH CLICKING NOISE AND ELECTRICAL BURNING SMELL IN COCKPIT.  RESTARTED APU WITH GEN OFF NO SMELL NOTED OR CB S POPPED.  R & R APU START GEN, IAW W/C 24-80-01.  OPERATIONS CHECK GOOD.

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