# SDR SWAA2026042088598

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2026
- Submitted: April 20, 2026
- Operation: Air carrier
- Aircraft: [N8630B](https://openairdocs.org/aircraft/N8630B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42521
- Aircraft time: 39,633 hours, 19,306 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/SWAA2026042088598

## Discrepancy

EMERGENCY LIGHTS INTERIOR AND EXTERIOR DID NOT TEST.   REMOVED AND REPLACED EMERGENCY BATTERY PACKS M2816; M1672 AND M1673 IAW AMM 33-51-06-960-805. TESTED OK.

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