# SDR ASAA2018020323390

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2018
- Submitted: February 5, 2018
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 39,881 hours, 11,931 cycles
- System (JASC): [2897 · Fuel System Wiring](https://openairdocs.org/jasc/2897)
- Part: Wire
- Condition: Chafed
- Location: Fuel Pump
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018020323390

## Discrepancy

NR 1 MAIN TANK, AFT LOW PRESSURE ILLUMINATED DURING CRUISE WITH 8500 LBS OF FUEL IN THE NR 1 MAIN TANK.  ACFT GROUNDED.  ACCOMPLISHED WIRING CHECKS IAW TSR 701389 AND FOUND W1136-3601B-16 CHAFED CAUSING ARCING BY D70 CONNECTOR ON THE NR 1 TANK AFT BOOST PUMP.   REPAIRED THE WIRE W1136-3601B-16 IAW WDM 28-23-11 AND SWPM 20-10-15. ACCOMPLISHED GROUND VERIFICATION CHECK IAW AMM 28-22-00-730-801 FOR THE PUMP.

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