# SDR 2004FA0000942

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2004
- Submitted: December 22, 2004
- Operation: General aviation
- Aircraft: [N31589](https://openairdocs.org/aircraft/N31589), registered now
- Make and model: Piper PA-32-300
- Registry model: [Piper PA-32-300](https://openairdocs.org/model/piper-pa-32-300) (OpenAirDocs)
- Aircraft serial: 327840135
- Engine: Lyc IO540K1G5
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 962830A1S8
- Part serial: 068
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004FA0000942

## Discrepancy

UNIT REPORTING ERRONEOUS ALTITUDE READINGS UP TO 1000 FEET OFF.  (AL05200401238)

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