# SDR ASAA2019032228743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2019
- Submitted: March 28, 2019
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 46,943 hours, 14,039 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Pump
- Part number: 607551005
- Part serial: 090635036
- Condition: Failed
- Location: Lt Wing
- Part time: 46,976 hours, 14,054 cycles
- Stage of operation: CR
- 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/ASAA2019032228743

## Discrepancy

THE AFT FUEL PUMP ON THE LEFT MAIN TANK FAILED DURING CRUISE.  GROUNDED - YES.  REMOVED AND REPLACED LEFT AFT TANK FUEL BOOST PUMP PER AMM 28-22-41.  CLEARED MEL 28-1C.

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