# SDR SCNA20260504183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2026
- Submitted: May 4, 2026
- Operation: Air carrier
- Aircraft: [N851SY](https://openairdocs.org/aircraft/N851SY), registered now
- Make and model: Boeing 737-8K5
- Registry model: [Boeing 737-8K5](https://openairdocs.org/model/boeing-737-8k5) (OpenAirDocs)
- Aircraft serial: 37256
- Aircraft time: 39,384 hours, 12,972 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260504183

## Discrepancy

FWD R/H SECTION OF EMERGENCY LIGHTS WILL NOT STAY ILLUMINATED LONGER THAN 30 SECONDS.   R & R BATTERY PACK IAW AMM 33-51-06-960-805, OPS CHECK GOOD AT THIS TIME.

---
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.
