# SDR SWAA2026012859423

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2026
- Submitted: January 28, 2026
- Operation: Air carrier
- Aircraft: [N8524Z](https://openairdocs.org/aircraft/N8524Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36970
- Aircraft time: 29,756 hours, 14,993 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Zone 200
- 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/SWAA2026012859423

## Discrepancy

FUNCTIONAL CHECKED ALL EMERGENCY LIGHTS.   PERFORMED GOOD FUNCTIONAL CHECK ALL EMERGENCY LIGHTS IAW AMM 33-51-00-710-801 EXCEPT FOR THE EMERGENCY EXIT LIGHTS ASSOCIATED WITH THE BATTERY PACK M1695 WHICH WILL BE REPLACED ON TASK CARD TTG8Q019ZEUA.

---
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.
