# SDR VNAA2020041611103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2020
- Submitted: April 16, 2020
- Operation: Air carrier
- Aircraft: [N712PS](https://openairdocs.org/aircraft/N712PS), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10168
- Aircraft time: 36,230 hours, 35,168 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 109598
- Condition: Failed
- Location: Cabin
- Part time: 8,259 hours, 7,706 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/VNAA2020041611103

## Discrepancy

L/H MIDDLE EXTERIOR EMERGENCY LIGHT WILL NOT ILLUMINATE. FOUND MULTIPLE ADDITIONAL LIGHTS OUT IN THE INTERIOR OF THE AIRCRAFT. SUSPECT #2 BATTERY ISSUES. TROUBLESHOT AND FOUND #2 BATTERY TERMINAL WITH POOR INTERNAL CONNECTION DUE TO FLUCTUATING OUTPUT VOLTAGE. REMOVED AND REPLACED BATTERY PACK. OPS CHECK GOOD ON ALL EMERGENCY LIGHTS WITHIN SYSTEM #2 AT THIS TIME.

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