# SDR ASAA2015100913426

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2015
- Submitted: October 13, 2015
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 34,505 hours, 10,594 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Relay
- Part number: KDAGX4F001
- Condition: Failed
- Location: Boost Pump
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015100913426

## Discrepancy

NR 2 FWD FUEL PUMP LOW PRESSURE LIGHT IS ILLUMINATED.  ACFT GROUNDED.  NR 2 FWD BOOST PUMP HAS NO POWER.  ALSO, CHECKED NR 2 PUMP SWITCH, SWITCH IS GOOD.  REMOVED R21 GFI RELAY IAW AMM 28-22-18-000-801.  INSTALLED R21 RELAY IAW AMM 28-22-18-400-801. PERFORMED GFI OPS TEST IAW AMM 28-22-41-720-802 FOR NR 2 FWD BOOST PUMP R21 RELAY, TEST PASSED.

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