# SDR ASAA2019050229220

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2019
- Submitted: May 3, 2019
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 41,105 hours, 12,323 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Circuit Breaker
- Condition: Tripped
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: R
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019050229220

## Discrepancy

UPON ENGINE START - AFTER RAISING NR 2 START LEVER SPAR VALVE CLOSED LIGHT NEVER EXTINGUISHED N2 CONTINUED TO CLIMB TO ABOUT 50% BEFORE ROLLING BACK TO 40%. ENGINE START ABORTED. GROUNDED - YES. FOUND NR 2 ENG SPAR VALVE BREAKER POPPED. RESET BREAKER REF AMM 20-60-01. NO HISTORY PAST 30 DAYS. NR 2 ENGINE START BY CREW SUCCESSFUL.

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