# SDR AALA202204068170

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2022
- Submitted: April 6, 2022
- Operation: Air carrier
- Aircraft: [N901NN](https://openairdocs.org/aircraft/N901NN), registered now
- Make and model: Boeing 737
- Aircraft serial: 33226
- Aircraft time: 28,543 hours, 11,887 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Circuit Breaker
- Condition: Pulled
- Location: Zone 200 - Fuse
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202204068170

## Discrepancy

AIRCRAFT WAS GROUNDED: AT CRUISE, 370 NOTICED BOTH ENGINE SPAR VALVE CLOSED LIGHTS ILLUMINATED BRIGHT. AIRCRAFT DIVERTED TO PHX AND DECLARED AN EMERGENCY. FOUND CIRCUIT BREAKER B3 FUEL SPAR VALVE ENGINE 1 AND CIRCUIT BREAKER B4 FUEL SPAR VALVE ENGINE 2 OPEN ON P6-3. CLOSED CIRCUIT BREAKERS. ACCOMPLISHED FIM 28-22-00-810-809 AND FIM 28-22-00-810-810 AND ENGINES IDLE RUN. SYSTEM OPERATE NORMAL.

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