# SDR R61A2020092300640

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2020
- Submitted: September 23, 2020
- Operation: Air carrier
- Aircraft: [N740YX](https://openairdocs.org/aircraft/N740YX), 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: 17000544
- Aircraft time: 11,918 hours, 7,868 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 34002210
- Part serial: 012906
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 11,918 hours, 7,868 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2020092300640

## Discrepancy

EMERGENCY LIGHT BATTERY FAULT MESSAGE DISPLAYED DURING EMERGENCY LIGHT SWITCH TEST.  R & R AFT RHOB EMERGENCY LIGHT POWER UNIT.

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