# SDR ASAA201904028850

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2019
- Submitted: April 2, 2019
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 46,008 hours, 13,671 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Warning Message
- Condition: False Activation
- Location: Dc Buss
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA201904028850

## Discrepancy

DURING FLIGHT FOUND DC BUSS INDICATION - SW HOT BAT CIRCUIT BREAKER POPPED. GROUNDED - YES. INSPECTED BEHIND C/B PANEL - NO DEFECTS NOTED. RESET C/B PERFORMED DC SYSTEM OPS TEST REF B737-800 AMM 24-31-00 OPS CHECK NORMAL.

---
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.