Service difficulty report · Circuit Breaker · Dhav DHC8311

Difficulty date
April 22, 2015
Submitted
May 8, 2015
Operation
Air carrier
Aircraft
N857CA
Make and model
Dhav DHC8311
Aircraft serial
531
Aircraft time
33,172 hours, 36,408 cycles
Part
Circuit Breaker
Condition
Tripped
Location
Cockpit
Stage of operation
CR
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

DURING CRUISE ENCOUNTERED SEVERE ICE, PITOT HEAT 1 & 2 FAILED. LOST ALL AIRSPEED INDICATION. AUTOPILOT KICKED OFF. AIRSPEED DID NOT RETURN UNTIL OUT OF ICE CONDITIONS. RESET BREAKER LHDC H6, RH DC N4.