# SDR QXEA200501162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2005
- Submitted: August 11, 2005
- Operation: Air carrier
- Aircraft: N609QX
- Make and model: Cndair CL6002C10
- Aircraft serial: 10031
- Aircraft time: 8,832 hours, 6,640 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA200501162

## Discrepancy

TUL- ON FLIGHT 4207, RECEIVED A EFIS COMP MON CAUTION MESSAGE WITH A DISCREPANCY NOTED IN THE ALTIMETERS.  PERFORMED CHECKLIST AND DETERMINED THAT IT WAS A CAPTAIN'S AIR DATA PROBLEM.  DISCONTINUED RVSM OPERATIONS.  MAINTENANCE CYCLED AIRCRAFT POWER, AND PERFORMED ADC BITE TESTS.  BITE TESTS CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.  NO PARTS REPLACED.

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