# SDR HALA2009122000591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2009
- Submitted: December 21, 2009
- Operation: Air carrier
- Aircraft: [N478HA](https://openairdocs.org/aircraft/N478HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55123
- Aircraft time: 13,620 hours, 33,165 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Dcu
- Part number: 761SUE21
- Part serial: D20846
- Condition: Malfunctioned
- Part time: 1,348 hours, 3,117 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2009122000591

## Discrepancy

AFTER TAKEOFF CREW REPORTED MULTIPLE ALERT ILLUMINATED,  RUDDER PITOT FAIL, AOA HEAT L/R FAIL, RAT PROBE FAIL.  PERFROMED FIM TASK ON AOA HEAT (L) IAW TASK 30-30 TASK 808.  AOA HEAT IAW TASK 30-30 TASK 809.  RUD PITOT FAIL TASK 30-30 TASK 809.  RAT PROBE FAIL TASK  30-30 TASK 806 NO FAULTS FOUND. REPLACED DCU IAW AMM 31-43-02 (PRECAUTIONARY).

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