# SDR ASAA2016091117983

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2016
- Submitted: September 13, 2016
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 9,999 hours, 3,252 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Circuit Breaker
- Condition: Tripped
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016091117983

## Discrepancy

DURING CRUISE FLIGHT,  DISCOVERED DC BUS INDICATION BUSS 1 CIRCUIT BREAKER TRIPPED ON PANEL P6-4.  NO OTHER INDICATIONS.  ACFT GROUNDED. INSPECTED AND RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. INDICATION NORMAL IAW AMM 24-32-11.

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