# SDR DALA2017092507079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2017
- Submitted: September 26, 2017
- Operation: Air carrier
- Aircraft: [N650DL](https://openairdocs.org/aircraft/N650DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 24390
- Aircraft time: 87,401 hours, 37,849 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Light
- 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/DALA2017092507079

## Discrepancy

DURING A SERVICE CHECK,  THE LT OVERWING EMERGENCY EXIT SIGNS WOULD NOT ILLUMINATE.  REMOVED AND REPLACED THE BATTERY PACK M10568 IAW AMM 33-51, OPS CHECKED NORMAL.

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