# SDR SWAA2021091614807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2021
- Submitted: September 16, 2021
- Operation: Air carrier
- Aircraft: N413WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29819
- Aircraft time: 67,173 hours, 39,106 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/SWAA2021091614807

## Discrepancy

ASSOCIATED EMERGENCY LIGHTS BY LH OVER WING EXIT DOOR WITH BATTERY PACK M1668 ARE INOP. ; OCIATED EMERGENCY LIGHTS BY LH OVER WING EXIT DOOR WITH BATTERY PACK M1668 ARE INOP. / [01] REPLACED BATTERY PACK AT M1668 L/H OVER WING AND PERFORMED OPS CHECK AS PER B737 AMM 33-51-06-960-805 AND 33-51-00-720-801. TEST FOUND NORMAL. <BR><BR>S/N 29464 ON.; [02] VERIFIED STEP 1

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