# SDR IPXA3B79989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2013
- Submitted: August 26, 2013
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 92,346 hours, 15,824 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 39164
- 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/IPXA3B79989

## Discrepancy

INSPECTION 2C, ALL EMERGENCY LIGHTS DID NOT STAYS ON FOR A MINUMUM OF 15 MINUTES     BATTERY PACK REPLACED &  CHECKED OK IAW AMM 31-51-04.

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