# SDR MASA200601950

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2006
- Submitted: August 9, 2006
- Operation: Air carrier
- Aircraft: N456YV
- Make and model: Dhav DHC8202
- Aircraft serial: 456
- Aircraft time: 21,805 hours, 20,375 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Ahrs
- Part number: 7003360941
- Part serial: 89021249
- Condition: Malfunctioned
- Part time: 6,109 hours, 6,411 cycles
- 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/MASA200601950

## Discrepancy

ASH 7079 DEN.  THE AIRCRAFT ABORTED T/O DUE TO AN AHRS DATA INVALID MSG.  MAINTENANCE REPLACED THE AHRS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.