# SDR YENA2019121620704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2019
- Submitted: December 16, 2019
- Operation: Air carrier
- Aircraft: N334JB
- 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: 19000446
- Aircraft time: 24,273 hours, 16,341 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 34002210
- Part serial: 009319
- Condition: No Test
- Location: Emergency Lights
- Part time: 24,465 hours, 16,098 cycles
- 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/YENA2019121620704

## Discrepancy

FT # 2752, SJU-TPA. DURING TASK CARD EXTERNAL EMERGENCY LIGHT OPERATIONAL TEST FOUND EXTERNAL LIGHTS LEFT FWD AND AFT INOP. ( EXTERNAL EMERGENCY-OPS NOT CONDUCTED AT NIGHT ); RESISTANCE FLUCTUATION BET P0753 TO LIGHT P3324 REF WM: 33-50-50, CLEANED CONNECTOR P0753, RESISTANCE CK GOOD. ELPU #4 & #6 ALSO DEFECTIVE. R & R ELPU #4 & #6 IAW AMM: 33-50-01. EMER LTS OPS GOOD. MEL CLEARED, MX-4 UPDATED, PLACARD REMOVED.

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