# SDR FDEA200902230666

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2009
- Submitted: February 23, 2009
- Operation: Air carrier
- Aircraft: [N607FE](https://openairdocs.org/aircraft/N607FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48547
- Aircraft time: 57,422 hours, 12,896 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Part number: 32902781
- Part serial: 283
- Condition: Failed
- Part time: 29,081 hours, 6,574 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: S
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA200902230666

## Discrepancy

PDIS: WHEN SELECTED WING ANTI-ICE ON DEPARTURE FROM LFPGR`CVD DISAG-ALERT.  RAN QRH PROCEDURES WHICH FAILED TO OPEN OR CLOSE RT WING ANTI-ICE VALVE STUCK IN TRANSIT.  DIVERTED TO LIMC.  DUMPED APPROX 125.000 LBS FUEL.  ON SYNOPTIC AIR PAGE CONFIRMED AMBER RT WING A/I VALVE.  READ ESC, PSC1 AND PSC 2 FAULT PRESENT, FROM ESC RESET RT A/I VALVE.  FOUND PSC-2 RATS TEST FAIL.  T/S IN PROGRESS.  REMOVED AND REPLACED RT WING A/I VALVE IAW AM.  ALSO, TESTED VALVE OPS ON SYNOPTIC PAGE.  PERFORMED SWAP OF PSC CONTROLLERS 1 AND 2, RATS OF BOTH COMPUTERS FOUND SATES.  ACFT IS OK FOR SERVICE.

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