# SDR 2004F00279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2004
- Submitted: September 2, 2004
- Operation: General aviation
- Aircraft: [N331AK](https://openairdocs.org/aircraft/N331AK), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 208B0739
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Adc
- Part number: 962830A1
- Condition: Faulty
- Location: Nr 1
- Stage of operation: NR
- 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/2004F00279

## Discrepancy

UNIT WAS REPORTING 400 PLUS FEET OFF FROM ACTUAL.  PROGRESSIVE REPORTING ERROR OVER ONE MONTH TIME FRAME.  (M)

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