# SDR YENA201701020010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2017
- Submitted: January 6, 2017
- Operation: Air carrier
- Aircraft: [N942JB](https://openairdocs.org/aircraft/N942JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6279
- Aircraft time: 9,825 hours, 1,879 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 772366
- Condition: Failed
- Location: Emergency Lights
- Part time: 9,825 hours, 1,879 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201701020010

## Discrepancy

THE EMERGENCY LIGHTS DID NOT COME ON WHEN GROUND POWER FAILED. THEY WERE FLASHING INTERMITTANTLY,  R & R THE BATTERY PACKS IAW AMM 33-51-38.  OPS CHECKED GOOD.

---
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.