# SDR DALA2016100607205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2016
- Submitted: October 13, 2016
- Operation: Air carrier
- Aircraft: N668US
- Make and model: Boeing 747451
- Aircraft serial: 24223
- Aircraft time: 110,727 hours, 13,664 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016100607205

## Discrepancy

EMERGENCY EXIT SIGNS LIGHT ROW 75 ARE INOPERATIVE.  MAINTENANCE REPLACED THE BATTERY PACK.  SYSTEM OPERATION IS NORMAL.

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