# SDR SWIA200718153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2007
- Submitted: April 20, 2007
- Operation: Air carrier
- Aircraft: [N439SW](https://openairdocs.org/aircraft/N439SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7578
- Aircraft time: 14,963 hours, 11,457 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200718153

## Discrepancy

EFIS COMP WITH MACH TRIM CAUTION MESSAGE ON DESCENT ALONG WITH ASSOCIATED FLAGS.  REPLACED NR 1 ADC IAW MM 34-13-01.  PURGED MAIN PITOT STATIC SYSTEM IAW MM 34-11-00.

---
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.