# SDR SWAA2021031555150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2021
- Submitted: March 15, 2021
- Operation: Air carrier
- Aircraft: [N7832A](https://openairdocs.org/aircraft/N7832A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 30657
- Aircraft time: 51,411 hours, 32,800 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- 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/SWAA2021031555150

## Discrepancy

CB FOUND POPPED AT P-18-3 A-10 (LIGHTS-EMERCHOR-L-AFT) / R&R M1670 BATTERY POWER SUPPLY AND BATTERY PACK PER M/M 33-51-06 R&R BATTERY PACK AT M1668 PER M.M 33-51-06 R&R C/B C1357 P18-3 A10 L-AFT EMERGENCY CHER PER WDM 33-51-11-4 OPS TEST NORMAL PER M/M 33-51-00 P/N OFF/ON D717-002-030 S/NOFF 21194 ____________________S/NON 6604 P/N OFF/ON D717-01-100SWA S/NON 50232 __________________________S/NON 28768 P/N OFF/ON D717-01-100SWA S/NOFF 4978 __________________________S/NON 13769

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.