# SDR ASAA2017091221906

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2017
- Submitted: September 13, 2017
- Operation: Air carrier
- Aircraft: [N471AS](https://openairdocs.org/aircraft/N471AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41703
- Aircraft time: 11,867 hours, 3,926 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Malfunctioned
- Location: Hyd System
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017091221906

## Discrepancy

AFTER ENGINE START, THE NR 1 HYDRAULIC LOW PRESSURE LIGHT ILLUMINATED.  AFTER ENGINE SHUTDOWN, THE  B SYSTEM HYDRAULIC PRESSURE READS 60.  ACFT GROUNDED.  ACCOMPLISHED FIM 29-10, TASK 804. RESET HYDRAULIC ELECTRIC PUMP CIRCUIT BREAKER. PUMP OPS NORMAL AND PRESSURE GOOD.

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