# SDR 2020F00428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2020
- Submitted: October 19, 2020
- Operation: General aviation
- Aircraft: N735MA
- Make and model: Boeing 737-8K5
- Registry model: [Boeing 737-8K5](https://openairdocs.org/model/boeing-737-8k5) (OpenAirDocs)
- Aircraft serial: 37260
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Part serial: 201844
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2020F00428

## Discrepancy

THREE EMERGENCY EXIT LIGHTS IN CEILING OVERWING ESCAPE HATCHES INOPERABLE.

---
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.