# SDR FDEA202009182245

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2020
- Submitted: October 2, 2020
- Operation: Air carrier
- Aircraft: [N597FE](https://openairdocs.org/aircraft/N597FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48596
- Aircraft time: 86,660 hours, 17,930 cycles
- System (JASC): [2824 · Fuel Transfer Valve](https://openairdocs.org/jasc/2824)
- Part: Transfer Valve
- Condition: Contaminated
- Location: Nr 1 Main Tank
- Stage of operation: CR
- How discovered: O
- Nature of condition: C
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202009182245

## Discrepancy

PDIS 597 28-41 3303 18SEP20 MEM OPEN U.  APPROX 150 MILES OUT OF KMEM RECEIVED TNK 1 TIP  TRAPPED AND TNK 1 FUEL QTY LO LEVEL 1 ALERTS.  SHOWED 5700 LBS OF FUEL TRAPPED IN NR 1 TIP TANK.  23.0K TOTAL FUEL. DECLARED EMERGENCY DIRECT TO  KMEM.  ENROUTE LAT FUEL UNBAL LEVEL 2 ALERT.  WENT TO  FUEL MANUAL KEPT FUEL IN NR 2 & NR 3 TANKS.   INSPECTED NR 1 MAIN TIP TANK AND FOUND DEBRIS IN TRANSFER VALVE, REMOVED DEBRIS.  REMOVED AND REPLACED TRANSFER VALVE, PER AMM MD11-28-21-04-4.  OPS CK IS GOOD.

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