# SDR SWAA2023033021044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2023
- Submitted: March 30, 2023
- Operation: Air carrier
- Aircraft: [N556WN](https://openairdocs.org/aircraft/N556WN), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33936
- Aircraft time: 37,398 hours, 21,958 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zn 200 Fus Top
- 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/SWAA2023033021044

## Discrepancy

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1670 ARE INOP<[01] FOUND CONNECTOR TO BATTERY CHARGER FOR M1670 DISCONNECTED. RECONNECTED; AND PERFORMED GOOD TEST OF EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1670.<BR><BR>PARTIAL UPDATE TO STEP 1 INCLUDED FOR REMOVING PANEL TO ACCESS BATTERY AND CHARGER.<BR><BR>WORK DONE IAW AMM 33-51-00-710-801 AND SWPM 20-60-06.;[02] STEP 1 PARTIAL UPDATED; VERIFIED STEP 1.;[03] COMPLETION OF STEP 1.;[04] STEP 1 COMPLETED.

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