# SDR DALA2017121308601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2017
- Submitted: December 14, 2017
- Operation: Air carrier
- Aircraft: [N557NW](https://openairdocs.org/aircraft/N557NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 33393
- Aircraft time: 45,049 hours, 19,742 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/DALA2017121308601

## Discrepancy

(AIRCRAFT 5657, L/P 0336929) R/H EMERGENCY LIGHTS ROWS 27-32, 38-42 AND RH OVER WING DOORS ARE INOP. ROW 27-32, AND RT OVERWING LIGHTS ARE CONTROLLED BY BATTERY PACK M10568 LOCATED BEHIND DADO PANEL AT ROW 27F, STK #55-3300-4-0138, ROW 38-42 EE LIGHTS ARE BATTERY PACK M735 LOCATED BEHIND DADO PANEL AT 34A, CHARGED BATTERY PACKS PER B757 AMM 33-51-07. EMERGENCY LIGHTS OPERATE NORMAL.

---
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.
