# SDR SWAA2021080298755

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2021
- Submitted: August 2, 2021
- Operation: Air carrier
- Aircraft: [N477WN](https://openairdocs.org/aircraft/N477WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33988
- Aircraft time: 58,235 hours, 34,495 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021080298755

## Discrepancy

PASSENGER CABIN EMERGENCY LIGHTS AROUND LH OVERWING EXIT INOP ; / [01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AT LEFT EMERGENCY EXIT. M1668 IAW AMM 33-51-06-960-805. CHECK GOOD. ATAG#VC1346

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