# SDR SIMA20241011002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2024
- Submitted: October 14, 2024
- Operation: Air carrier
- Aircraft: [N249NN](https://openairdocs.org/aircraft/N249NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000634
- Aircraft time: 19,605 hours, 13,014 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Gcu
- Part number: 1701321F
- Condition: Failed
- Location: Nr 2 Gen
- Stage of operation: NR
- 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/SIMA20241011002

## Discrepancy

IDG 2 OFF BUS APU FAIL (DC ESS 2) ENTRE. EMERGENCY DECLARED. DIVR MIA. MTX INSPCT RAR MAIN GENERATOR CONTROL UNIT #2 IAW AMM 24-21-19. OPS CHECK GOOD. NO MESSAGE ON EICAS.

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