# SDR 03FDEA00015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2003
- Submitted: January 29, 2003
- Operation: Air carrier
- Aircraft: [N584FE](https://openairdocs.org/aircraft/N584FE), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48436
- Aircraft time: 37,424 hours, 7,159 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 4059060901
- Part serial: 91020322
- Condition: Faulty
- Location: E/E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/03FDEA00015

## Discrepancy

AFTER TO AIRSPEED COPILOTS SIDE 20 KTS OFF.  SUSPECT CADC FAIL.  RAN AIRSPEED: LOST, SUSPECT OR ERRATIC CHECK LIST.  RETURNED TO KIX.  CHECKED BOTH CADC-1/-2, DURING CADC-2 TEST FOUND CADC FAIL IND INTERMITTENTLY CAME ON SEVERAL TIMES.  REMOVED AND REPLACED CADC-2 PER MM 34-16-01-4.  CADC-2 ALL TESTED AND SATISFACTORY PER MM 34-16-01-5.  A/C OK FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.