# SDR YENA2024041600601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2024
- Submitted: April 16, 2024
- Operation: Air carrier
- Aircraft: N249JB
- Make and model: Emb ERJ 190-100 IGW
- Registry model: [EMB ERJ 190-100 IGW](https://openairdocs.org/model/embraer-erj-190-100-igw) (OpenAirDocs)
- Aircraft serial: 045
- Aircraft time: 44,469 hours, 29,251 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: UNKNOWN
- Condition: No Test
- Location: Emergency Lights
- 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/YENA2024041600601

## Discrepancy

DURING HEAVY MAINTENANCE: DURING OPERATION TEST ON EMERGENCY WON'T TURN ON EXTERIOR LIGHT ON LH OVERWING LH;  EMERGENCY LIGHT POWER UNIT 5 WAS REPLACED PER EMB 190 FIM 33-50-00-810-811-A,AMM 33-50-01-00-801-A,AMM 33-50-01-400-801-A, SATISFACTORY TEST.

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