# SDR R61A2020101900687

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: N357FC
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000018
- Aircraft time: 36,033 hours, 27,036 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 34002210
- Part serial: 001165
- Condition: Faulty
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2020101900687

## Discrepancy

DURING HEAVY CHECK MAINTENANCE FOUND EMERGENCY LIGHT POWER UNIT 3 NOT ILLUMINATING WHEN CONNECTED TO EMERGENCY LIGHTS.  EMERGENCY LIGHT POWER UNIT 3 REPLACED, IAW 33-50-01-000-801-A.  A/C REMAINS IN CHECK.

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