# SDR ASAA2019070529939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2019
- Submitted: July 10, 2019
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 43,789 hours, 13,166 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Pump
- Part number: 607551005
- Part serial: 100738248
- Condition: Failed
- Location: Lt Wing
- Part time: 43,821 hours, 13,182 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019070529939

## Discrepancy

DURING PREFLIGHT THE NUMBER ONE FORWARD FUEL BOOST PUMP LOW PRESSURE LIGHT ILLUMINATED FOR APPROXIMATELY ONE MINUTE, THE LIGHT EXTINGUISHED AFTER A FEW FLICKERS. GROUNDED - YES. REMOVED AND REPLACED #1 FWD BOOST PUMP PER AMM 28-22-41, OPS CHECK GOOD AND NO LEAKS NOTED.

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