# SDR SWAA2025063085972

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2025
- Submitted: June 30, 2025
- Operation: Air carrier
- Aircraft: [N8533S](https://openairdocs.org/aircraft/N8533S), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63577
- Aircraft time: 26,459 hours, 13,470 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/SWAA2025063085972

## Discrepancy

RIGHT AFT OWE LIGHT AND 17DEF AND 21DEF BULLNOSE EMERGENCY LIGHTS ARE ALL INOP<[01] REMOVED; REPLACED AND ACCOMPLISHED OPS CHECK FOR M1671 BATTERY PACK IAW AMM 33-51-06-960-805. TEST GOOD.<BR><BR>ATAG: WN51030<BR>BN:617872;[02] AUDIT C/W

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