# SDR DALA2019051603062

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2019
- Submitted: May 17, 2019
- Operation: Air carrier
- Aircraft: [N591NW](https://openairdocs.org/aircraft/N591NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32991
- Aircraft time: 57,172 hours, 18,870 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Cabin
- 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/DALA2019051603062

## Discrepancy

(AIRCRAFT 5811, L/P 5646771) DURING SVC CK FOUND EMERGENCY BATT POWER SUPPLY M11383 INOP. R/R PWR SUPPLY & BATTERY POS M11383 REF AMM 33-51. OPS NML.

---
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.