# SDR SWIA201844187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2018
- Submitted: February 9, 2018
- Operation: Air carrier
- Aircraft: [N778SK](https://openairdocs.org/aircraft/N778SK), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10242
- Aircraft time: 35,574 hours, 21,930 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Ahrs
- Condition: Failed
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201844187

## Discrepancy

DURING CRUISE,  LOST YAW DAMPNER NR 1 AND THE ATT NR 1 STARTED ROLLING.   REMOVED AND REPLACED THE NR 1 AHRS IAW AMM. OPS CHECKED GOOD.

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