# SDR WRLA200213

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2002
- Submitted: October 21, 2002
- Operation: Air carrier
- Aircraft: N278WA
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48746
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: 32138683
- Condition: Inoperative
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRLA200213

## Discrepancy

ENGINE 2 ANTI-ICE DUCT, LEVEL 3 ALERT DISPLAYED ON CLIMB OUT.  FOLLOWED VOL 1.  DUMPED FUEL, RETURNED TO LAND.  NR 2 MANIFOLD FAILED.  NR 2 ENGINE SHUT DOWN.  INSPECTED A-ICE DUCT FROM 15TH STAGE FORWARD.  FOUND NO PHYSICAL DEFECTS IN DUCKING.  REPLACED TEMPERATURE SENSOR.  REPLACED GCU.  REPLACED EPCU.  REPLACED RELAYS.  REPLACED DUCT FAIL SENSORS.  REPLACED ANTI-ICE VALVE.  REPLACED TEMPERATURE SENSOR.  REPLACED EPCU.  REPLACED GCU.  REPLACED RELAYS FOR ANTI-ICE VALVE.  REPLACED DUCT FAILED SENSORS.  REPLACED ANTI-ICE VALVE.  ANTI-ICE VALVE AND PRESSURE SWITCH.

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