# SDR IPXA2017081020341

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2017
- Submitted: August 11, 2017
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27154
- Aircraft time: 100,311 hours, 16,787 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835AB
- Part serial: 101353
- Condition: Discharged
- 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/IPXA2017081020341

## Discrepancy

FOUND LEFT EMERGENCY POWER SYSTEM BATTERY PACK LOW, TEST FAILED.  R & R THE  BATTERY PACK IAW AMM 52-23-14.  OPS CHECKED GOOD.

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