Service difficulty report · Brake · Bombdr DHC8400

Difficulty date
September 17, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Bombdr DHC8400
Engine
Pwc PW150A
Part
Brake
Part number
31573
Condition
Smoke
Location
Mlg
Part time
13 hours
Stage of operation
NR
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

(CAN) WHEEL BEARING FAILURE EXPERIENCED. THE DEFECT WERE NOTICED ON A TURN AROUND WITH SMOKE COMING FROM THE LT INB BRAKE. ENGINEERS OBSERVING THAT THE BREAK IS EXTREMELY HOT COMPARING TO THE OTHER BRAKES. INVESTIGATION FOLLOWED, SUGGESTING A FAULTY BRAKE, THAT IS WHEN THE DAMAGE WERE FOUND. THE WHEEL SPEED TRANSDUCER IS COMPLETELY DESTROYED, BOTH WHEEL BEARINGS HAVE FAILED AND WERE STUCK ON THE AXLE, ALL DAMAGE SEEN ON THE LH INB WHEEL. LH OUTBOARD AXLE AND BEARINGS HAVE NO SIGN OF DAMAGE.