Service difficulty report · Dadc · Dhav DHC8102

Difficulty date
May 8, 2008
Submitted
May 14, 2008
Operation
Air carrier
Aircraft
N931HA
Make and model
Dhav DHC8102
Aircraft serial
132
Aircraft time
50,515 hours, 55,843 cycles
Part
Dadc
Part number
7000700976
Part serial
017279
Condition
Faulty
Part time
12,433 hours, 13,691 cycles
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TWO MINUTES AFTER ROTATION, BOTH YAW DAMPERS DISENGAGED AND RECEIVED AHARS DATA INVALID MESSAGE. BOTH 802 PANELS WENT BLANK AND ALTITUDE PRE-SELECT WENT TO ALL DASHES. BOTH FLIGHT DIRECTORS FAILED MULTIPLE TIMES.