What was found
AHRS DATA INVALID MESSAGE ON TAKEOFF WITH ASSOCIATED FD AND YD FAILURE. (NR 1 AHRS ALREADY ON MEL). R & R NR 2 AHRS COMPUTER IAW MM 34-20-06. OPS CHECKED GOOD.
- Difficulty date
- September 24, 2011
- Submitted
- October 6, 2011
- Operation
- Air carrier
- Aircraft
- N936HA
- Make and model
- Dhav DHC8102
- Aircraft serial
- 145
- Aircraft time
- 57,704 hours, 63,993 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Ahrs
- Part number
- 7003360941
- Part serial
- 093292
- Condition
- Failed
- Location
- Nr 1
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.