# SDR 06FDEA1818

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2006
- Submitted: May 12, 2006
- Operation: Air carrier
- Aircraft: [N575FE](https://openairdocs.org/aircraft/N575FE), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48500
- Aircraft time: 48,078 hours, 9,774 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 4059060901
- Part serial: 91060354
- Condition: Malfunctioned
- Location: Nr 1
- Part time: 274 hours, 79 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/06FDEA1818

## Discrepancy

ON TAKEOFF, ALL AIRSPEED INDICATIONS LOST, RECEIVED SELECT FADEC OFF; AIRSPEED INDICATIONS CAME BACK BUT ERRONEOUS; LOST ALTITUDE INDICATION, LSAS ALL FAIL ALERT; YAW DAMP ALL FAIL.  INFO NOTE: PER CREW DEBRIEF INDICATION LOSS ONLY ON  CAPTAINS SIDE.   FAULT REVIEW OF NR 1 ,NR 2 IRU NR 1 FCC ALL THREE COMPUTER REPORT NR 1 CADC FAIL AND NR 1 CADC FAULT BALL INDICATING YELLOW REF MM 34.16.01.04, MM 34.16.01.05.  REPLACED NR 1 CADC PURGE NR 1 CADC PITOT STATIC LINES AND PERFORM LOW LEVEL LEAK CK AND NR 1 CADC CAT 3 RETURN TO SERVICE TEST OK, A/C REMAIN IN CAT 3B AND RVSM STATUS.

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