# SDR DALA2020021311113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2020
- Submitted: February 13, 2020
- Operation: Air carrier
- Aircraft: [N581NW](https://openairdocs.org/aircraft/N581NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32982
- Aircraft time: 61,968 hours, 20,481 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Battery Pack
- Condition: No Test
- 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/DALA2020021311113

## Discrepancy

(AIRCRAFT 5801, L/P 1484113) DURING OPERATIONAL CHECK, SOME EMERGENCY LIGHTS FAIL. IN REF AMDS 3300-7978 STEP 5. CPAX. CORRECTIVE ACTION: R/R'D EMERGENCY LIGHT BATTERY PACK.

---
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.