# SDR DALA2022071904981

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2022
- Submitted: July 19, 2022
- Operation: Air carrier
- Aircraft: [N174DZ](https://openairdocs.org/aircraft/N174DZ), registered now
- Make and model: Boeing 767332
- Aircraft serial: 29693
- Aircraft time: 91,157 hours, 19,882 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Inaccurate
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022071904981

## Discrepancy

AIRCRAFT 1704, RVSM, ALTITUDE SPLIT AT VARIOUS FLIGHT LEVELS, CAPTAIN'S ALTITUDE WAS 29960 AND FIRST OFFICER'S ALTITUDE WAS 29200. CORRECTIVE ACTION: REPLACED RT ADC AND LEFT AUX PITOT PROBE AND RIGHT F/O UPPER PITOT/STATIC PROBE. (9186359)

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