Service difficulty report · Spline · Hughes 269C

Difficulty date
February 28, 2004
Submitted
May 25, 2004
Operation
Air carrier
Aircraft
N75070
Make and model
Hughes 269C
Aircraft serial
1404
Engine
Lyc HIO360D1A
Part
Spline
Condition
Slipped
Location
Drive Shaft
Component
Drive Shaft
Component part number
269A6040007
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LEVEL FLIGHT, THE TAIL ROTOR DRIVESHAFT STARTED SLIPPING. TAIL ROTOR DRIVESHAFT SPLINES STRIPED. ON FRONT HALF OF SHAFT, STUDENT ENTERED AN AUTOROTATION AND AIRCRAFT LANDED HARD AND RECEIVED SUBSTANTIAL DAMAGE.

More about the Hughes 269C