# SDR SWAA2021120147092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2021
- Submitted: December 1, 2021
- Operation: Air carrier
- Aircraft: [N7862A](https://openairdocs.org/aircraft/N7862A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 33009
- Aircraft time: 48,858 hours, 32,792 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Stage of operation: UK
- 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/SWAA2021120147092

## Discrepancy

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1668 INOP ; / [01] WHILE TROUBLESHOOTING VERIFIED GOOD GROUND AND POWER TO D10712. ALSO SWAPPED WITH A GOOD WORKING BATTERY PACK AND LIGHTS CAME ON AND BATTERY CHARGER OPERATED PROPERLY. NEW BATTERY PACK IS ON ORDER.; [02] VERIFIED CORRECTIVE ACTION 1; [03] REMOVED AND REPLACED M1668 BATTERY CHARGER AND BATTERY PACK AND PERFORMED GOOD TEST PER AMM 33-51-06-960-805 AND AMM 33-51-06-960-806.; [04] VERIFIED CORRECTIVE ACTION 3.

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