# SDR ASAA2019053029538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2019
- Submitted: May 31, 2019
- Operation: Air carrier
- Aircraft: [N530AS](https://openairdocs.org/aircraft/N530AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36578
- Aircraft time: 35,678 hours, 10,488 cycles
- System (JASC): [2897 · Fuel System Wiring](https://openairdocs.org/jasc/2897)
- Part: Connector
- Condition: Loose
- Location: Boost Pump
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019053029538

## Discrepancy

AFT #2 MAIN TANK BOOST PUMP INOP. FAILED @ FL340 30 MINUTES INTO FLIGHT. GROUNDED - YES. ON INITIAL TROUBLESHOOTING, FOUND GFI RELAY NOT TRIPPED. ACCOMPLISHED FIM TASK 28-22 TASK 816 "NO 2 TANK AFT BOOST PUMP CIRCUIT BREAKER OPEN-FAULT ISOLATION". ON FUEL TANK RT FOUND AFT BOOST PUMP CONNECTOR LOOSE. EXAMINED CONNECTOR AND BOOST PUMP PINS, FOUND NO DAMAGE AND ALL WIRING SECURE. RECONNECTED CONNECTOR AND OPS CHECKED #2 AFT FUEL BOOST PUMP. GROUND VERIFICATION SUCCESSFUL, A/C RELEASED FOR SERVICE.

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