# SDR SWAA2024031463180

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2024
- Submitted: March 14, 2024
- Operation: Air carrier
- Aircraft: N493WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32477
- Aircraft time: 63,311 hours, 37,910 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: NOTREPORTED
- Condition: No Test
- Location: Emergency Lights
- 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/SWAA2024031463180

## Discrepancy

DURING FUNCTIONAL CHECK OF EMX LIGHTS; R AFT CB (C1358)TRIPS<[01] TROUBLE SHOT PER WDM 33-51-11.<BR>01 - REMOVED AND REPLACED EMX LIGHT POWER SUPPLY M01669 PER [AMM 33-51-06-960-806-NG (POWER SUPPLY - POWER SUPPLY REPLACEMENT - PERMANENT)]<BR>01 - REMOVED AND REPLACED EMX BATT PACK M01669 PER [AMM 33-51-06-960-805-NG (POWER SUPPLY - BATTERY PACK REPLACEMENT - PERMANENT)]

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