# SDR HNAA0800153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2008
- Submitted: May 14, 2008
- Operation: Air carrier
- Aircraft: N846EX
- Make and model: Dhav DHC8102
- Aircraft serial: 326
- Aircraft time: 36,579 hours, 39,993 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Adi
- Part number: 7001182913
- Part serial: 080519
- Condition: False Indication
- Location: Cockpit
- Part time: 43,282 hours, 47,752 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA0800153

## Discrepancy

CAPT'S ADI DURING CLIMB TWITCHED OFF AND ON WITH ROLL MISMATCH AND ATT FLAG.  AFTER LEVELING OFF, ADI INDICATED 15 DEG LEFT AND 2 DEG NOSE DOWN.

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