# SDR SWAA2024011841974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2024
- Submitted: January 18, 2024
- Operation: Air carrier
- Aircraft: [N278WN](https://openairdocs.org/aircraft/N278WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36441
- Aircraft time: 55,048 hours, 33,110 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: No Test
- Location: Zn 200 Fus Top
- 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/SWAA2024011841974

## Discrepancy

RIGHT AFT EMERGENCY LIGHT BATTERY NOT TESTING<[01] REPLACED RT AFT BATERY PACK. EMERGENCY LT OPS TEST PASS. NO DEFECTS NOTED REF AMM 33-51-06

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