# SDR IPXA2014092684437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2014
- Submitted: September 26, 2014
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 27154
- Aircraft time: 90,211 hours, 15,267 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 61472
- Condition: Inoperative
- 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/IPXA2014092684437

## Discrepancy

INSPECTION D, UPPER DECK EMERGENCY LIGHTS POWER SUPPLY FOUND INOPERATIVE.  BATTERY PACK REPLACED,  LIGHTS TESTED NORMAL.

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