# SDR SWAA2022050300728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2022
- Submitted: May 3, 2022
- Operation: Air carrier
- Aircraft: [N427WN](https://openairdocs.org/aircraft/N427WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29831
- Aircraft time: 66,803 hours, 39,311 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- 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/SWAA2022050300728

## Discrepancy

EMERGENCY LIGHT MID AND AFT AISLE INOP 2022-165423 / [01] REPLACED POWER SUPPLY-BATTERY PACK IAW B737NG AMM 33-51-06-960-805 (2E/A) AFT LH AND AFT RH AND TEST IS OK;[02] REPLACED POWER SUPPLY-BATTERY PACK IAW B737NG AMM 33-51-06-960-805 (2E/A) AFT LH AND AFT RH AND TEST IS OK. VERIFIED

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