Service difficulty report · Spline · Snias AS350B

Difficulty date
April 13, 1997
Submitted
March 26, 2000
Operation
General aviation
Make and model
Snias AS350B
Engine
Tmeca ARRIEL1B
Part
Spline
Part number
350A35013003
Condition
Sheared
Location
Hyd Pump
Stage of operation
CR
Nature of condition
G, K, J
Precautionary procedure
A, H

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

What was found

(CAN) HYDRAULIC PRESSURE LOST DURING FLIGHT. LOSS OF PRESSURE DUE TO SHEARED INTERNAL SPLINES ON THE HYDRAULIC PUMP DRIVE COUPLING SLEEVE P/N S40.