Service difficulty report · Fan · Bell 429

Difficulty date
March 20, 2017
Submitted
March 21, 2017
Operation
General aviation
Aircraft
N808MB
Make and model
Bell 429
Aircraft serial
57150
Aircraft time
442 hours, 728 cycles
Part
Fan
Part number
S6063EC1
Condition
Detached
Location
Blower Motor
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

AIR CONDITIONER CONDENSER BLOWER MOTOR FAN SEPARATED FROM MOTOR SHAFT. NR 1 FAN BLADE HAD BROKEN OFF THE HUB ASSEMBLY AND WAS FOUND ON THE DECK AND THE FAN HUB ASSEMBLY WAS CONTAINED BETWEEN THE CONDENSER AND THE FAN MOTOR MOUNTING STRUCTURE. THE FAN RETENTION CLIP WAS FOUND ON THE DECK AS WELL WITH THE SAFETY WIRE STILL ATTACHED. SOME DAMAGE TO THE SHAFT, DRIVE PIN AND FAN ASSEMBLY COUPLING. NO OTHER DAMAGE WAS NOTED WITHIN THE SURROUNDING AREA. NO DAMAGE WAS NOTED TO THE CONDENSER LOCATED JUST ABOVE THE FAN.

More about the Bell 429