# SDR SWAA2026081800470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2026
- Submitted: August 19, 2026
- Operation: Air carrier
- Aircraft: [N8581Z](https://openairdocs.org/aircraft/N8581Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 64348
- Aircraft time: 26,565 hours, 13,774 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/SWAA2026081800470

## Discrepancy

EMERGENCY EXIT LIGHTS ASSOCIATED WITH M1670 DO NOT ILLUMINATE REMOVED AND REPLACED M1670 EMERGENCY EXIT LIGHT BATTERY PACK IAW AMM TASK 33-51-06-960-805 STEP 4.E.(1)-(5) PERFORMED A GOOD CHECK OF ALL LIGHTS ASSOCIATED WITH M1670 IAW AMM TASK 33-51-06-960-805   ALL STEPS COMPLETED VERIFIED ACTION 1. TASK C/W

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