What was found
NUMBER ONE ATTITUDE HEADING AND REFERENCE SYSTEM FAILED. DATA INVALID MESSAGE. CANNOT DUPLICATE. ATTITUDE HEADING AND REFERENCE SYSTEM SELF TEST CHECK GOOD.
- Difficulty date
- April 10, 2009
- Submitted
- April 15, 2009
- Operation
- Air carrier
- Aircraft
- N330EN
- Make and model
- Dhav DHC8311
- Aircraft serial
- 274
- Aircraft time
- 35,792 hours, 41,534 cycles
- System (JASC)
- 3425 · Integrated Flight System
- Part
- Ahrs
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.