# SDR ASAA2016120518943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2016
- Submitted: December 7, 2016
- Operation: Air carrier
- Aircraft: [N457AS](https://openairdocs.org/aircraft/N457AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36355
- Aircraft time: 11,269 hours, 3,707 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Motor
- Part number: 607551005
- Part serial: 111357491
- Condition: Failed
- Location: Boost Pump
- Part time: 11,269 hours, 3,703 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016120518943

## Discrepancy

LEFT AFT LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED NR 1 TANK AFT BOOST PUMP MOTOR IMPELLER IAW AMM 28-22-41. OPS AND LEAK TEST GOOD.

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