# SDR SWAA2026092128212

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2026
- Submitted: September 22, 2026
- Operation: Air carrier
- Aircraft: [N8575Z](https://openairdocs.org/aircraft/N8575Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63589
- Aircraft time: 27,335 hours, 14,126 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026092128212

## Discrepancy

SEVERAL EXTERIOR AND INTERIOR EMERGENCY LIGHTS WERE INOPERATIVE.   REMOVED & REPLACED THE BATTERY PACKS AT THE M2816, M1670, M1671, M1694, M2335, M1673, & M1672 IAW AMM 33-51-06-960-805. PERFORMED SATISFACTORY OPS CHECK IAW B737 AMM 33-51-06-960-805.

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