# SDR ASAA2022112340912

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2022
- Submitted: November 23, 2022
- Operation: Air carrier
- Aircraft: [N644AS](https://openairdocs.org/aircraft/N644AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 30795
- Aircraft time: 58,972 hours, 31,089 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022112340912

## Discrepancy

EMERGENCY LIGHTS AROUND L2 DOOR HEADER PANEL AND RH ROW 20 AISLE LIGHT FAIL CAPACITY CHECK GROUNDED - YES. REPLACED BATTERY PACK AT RH AFT ENTRY AREA CEILING.

---
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.
