Service difficulty report · Ahrs · Dhav DHC8102

Difficulty date
May 3, 2010
Submitted
May 18, 2010
Operation
Air carrier
Aircraft
N941HA
Make and model
Dhav DHC8102
Aircraft serial
161
Aircraft time
53,422 hours, 59,289 cycles
Engine
Pwa PW120A
Part
Ahrs
Condition
Malfunctioned
Location
Nr 1
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

IN FLIGHT HOLDING AND IN TURBULENCE, NR 1 AHRS FAILED, BOTH CHANNELS OF YAW DAMPER AND FLIGHT DIRECTOR FAILED. SAHS CORRECTED AHRS. ACFT RETURNED TO FIELD DUE TO WEATHER. POWER DOWN AND POWER UP ACFT AND ALL SAID SYS WORKED NORMAL.