# SDR ASAA2017050320615

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2017
- Submitted: May 4, 2017
- Operation: Air carrier
- Aircraft: [N494AS](https://openairdocs.org/aircraft/N494AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41729
- Aircraft time: 4,974 hours, 1,631 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Circuit Breaker
- Condition: Popped
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017050320615

## Discrepancy

ALTN PWR CHAN B C/B POPPED. GROUNDED - YES. PLANE LOST POWER AT GATE. WHEN RAMP HOOKED POWER BACK UP CREW CALLED AND SAID C/B WAS OUT. RESET C/B ALTN PWR CHAN B, REF AMM 20-60-01-860-801.

---
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.