# SDR SWAA2020071399070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2020
- Submitted: July 13, 2020
- Operation: Air carrier
- Aircraft: [N7824A](https://openairdocs.org/aircraft/N7824A), registered now
- Make and model: Boeing 737-7BK
- Registry model: [Boeing 737-7BK](https://openairdocs.org/model/boeing-737-7bk) (OpenAirDocs)
- Aircraft serial: 30617
- Aircraft time: 57,569 hours, 28,871 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Cabin
- 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/SWAA2020071399070

## Discrepancy

SEVERAL EMERGENCY LIGHTS AT THE LT OVERWING ARE INOP.  UPON TROUBLESHOOTING EMERGENCY LIGHTS AT LT OVERWING; FOUND BATTERY PACKS M1668 AND M2335 INOP.  REMOVED AND REPLACED BATTERY PACKS M1668 AND M2335 AND PERFORMED GOOD OPS TEST PER AMM 33-51-06-960-805 AND WDM 33-51-12 AND WDM 33-51-13.

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