SDR 96ZZZX3968

Service difficulty report · Shaft Assy · Bell 222U

Difficulty date
June 10, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N143CF
Make and model
Bell 222U
Aircraft serial
47506
Part
Shaft Assy
Part number
247821
Condition
Sheared
Location
Cooler Blower
Component
222865515105
Stage of operation
CR
Nature of condition
M
Precautionary procedure
E, A

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

What was found

DURING FLIGHT, PILOT NOTED NR 2 ENGINE OIL PRESSURE DROPPING AND THE OIL TEMPERATURE RISING. HE SHUT DOWN THE ENGINE AS A RESULT AND PERFORMED A SINGLE ENGINE LANDING. WHILE INVESTIGATING THE CAUSE, MECHANIC DISCOVERED THE SHAFT OF THE OIL COOLER BLOWER TO HAVE SHEARED NEXT TO THE SPLINE ADAPTER. THE IMPELLERS APPEAR TO HAVE SEIZED INSIDE THE HOUSING.

More about the Bell 222U