# SDR 2021FA0000066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2021
- Submitted: March 1, 2021
- Operation: General aviation
- Aircraft: [N7DR](https://openairdocs.org/aircraft/N7DR), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500323
- Aircraft time: 2,323 hours, 1,522 cycles
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Starter Gen
- Part number: 400SG180Q
- Part serial: S00298XL
- Condition: Failed
- Location: Nr 1
- Part time: 1,232 hours, 890 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000066

## Discrepancy

GEN 1 OFF BUS CAS MESSAGE.  FOLLOWED QRH GEN 1 OFF BUS REMAINED.  SHORTLY AFTER VIBRATION FELT INCREASING IN INTENSITY.  FOLLOWED QRH AND ENG 1 WAS SHUTDOWN.

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