# SDR SIMA20250914003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2025
- Submitted: September 15, 2025
- Operation: Air carrier
- Aircraft: [N742GR](https://openairdocs.org/aircraft/N742GR), registered now
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000140
- Aircraft time: 42,066 hours, 28,461 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20250914003

## Discrepancy

ROW 11/12 EMERGENCY LIGHT IS INOPERATIVE. "TRANSFERRED TO NRWC 742-ORD-01366" RAR ELPU4 REF NRWC 742-ORD-01366. OPS CHECK GOOD.

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