# SDR AALA2018005019049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2018
- Submitted: May 1, 2018
- Operation: Air carrier
- Aircraft: [N965AN](https://openairdocs.org/aircraft/N965AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29544
- Aircraft time: 52,192 hours, 21,203 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Part serial: 55168
- Condition: Failed
- 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/AALA2018005019049

## Discrepancy

EMERGENCY LIGHT BATTERY PACK M1672 FAILED.  REPLACED THE BATTERY PACK M1672 IAW AMM 33-51-06.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.