# SDR DALA2016012500577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2016
- Submitted: January 25, 2016
- Operation: Air carrier
- Aircraft: [N673DL](https://openairdocs.org/aircraft/N673DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 25978
- Aircraft time: 74,868 hours, 34,179 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/DALA2016012500577

## Discrepancy

EMERGENCY LIGHT L43, L37, AND L38  FAIL LIGHT TEST.  R & R BATTERY PACKS M736, AND M737 IAW AMM 33-51 -07-902-001.  OPS CHECK GOOD.

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