# SDR IPXA2016112611003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2016
- Submitted: November 28, 2016
- Operation: Air carrier
- Aircraft: [N579UP](https://openairdocs.org/aircraft/N579UP), registered now
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 26062
- Aircraft time: 94,372 hours, 15,996 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835AB
- Part serial: 50596
- Condition: Discharged
- Location: Cabin
- 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/IPXA2016112611003

## Discrepancy

FOUND LT EMERGENCY BATTERY PWR SUPPLY INOP. R&R LT POWER SUPPLY BATTERY PACK AS PER AMM 33-51-04/201. OPS TEST NORM P/N ON OFF :9008-3-5AB S/N ON/OFF 50596/50688 IPC 33-51-04-21

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