# SDR EIAA20130729009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2013
- Submitted: August 6, 2013
- Operation: Air carrier
- Aircraft: N493EV
- Make and model: Boeing 747-4H6
- Registry model: [Boeing 747-4H6](https://openairdocs.org/model/boeing-747-4h6) (OpenAirDocs)
- Aircraft serial: 25702
- Aircraft time: 75,978 hours, 10,740 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: A3323
- 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/EIAA20130729009

## Discrepancy

LEFT UPPER DECK EMERGENCY EXIT SIGN INOPERATIVE.  R & R BATTERY PACK.  OPS CHECKED OK IAW SMM 33-51-04.

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