What was found
(CAN) ON TWO SEPARATE OCCASIONS ON TAXI THE YAW DAMPER DISENGAGED FOLLOWED BY HSI TOPPLE (ONCE THE LEFT, ONCE BOTH SIDES). THIS WAS FOLLOWED BY PITCH/ROLL MISMATCH THEN AHRS DATA INVALID. FOUND AHRU CONTROLLER HAD FAILED.
- Difficulty date
- August 6, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Dhav DHC8102
- Engine
- Pwa PW120A
- System (JASC)
- 3425 · Integrated Flight System
- Part
- Controller
- Part number
- 7004545901
- Condition
- Failed
- Location
- Ahars
- Part time
- 19,977 hours
- Stage of operation
- TX
- Nature of condition
- J, I
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.