# SDR DALA2018121007116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2018
- Submitted: December 10, 2018
- Operation: Air carrier
- Aircraft: [N943AT](https://openairdocs.org/aircraft/N943AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55006
- Aircraft time: 52,598 hours, 36,239 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018121007116

## Discrepancy

ON THE SERVICE CHECK, MAINTENANCE FOUND THAT THE AFT OVERWING EMERGENCY LIGHTS WERE INOPERATIVE. MAINTENANCE DETERMINED THAT THE EMERGENCY LIGHT BATTERY PACK, B5-230, WAS INOPERATIVE. THE BATTERY PACK WAS REPLACED AND THE OPERATIONAL CHECK WAS GOOD REF B717 AMM 33-51. (LP #4287978)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.