Service difficulty report · Airflow Modulato · Snias AS350D

Difficulty date
October 25, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Snias AS350D
Engine
Lyc LTS101600A3
Part
Airflow Modulato
Part number
43011029
Condition
Failed
Location
Flow Fence
Part time
1,768 hours
Stage of operation
CL
Nature of condition
E, F
Precautionary procedure
A

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

What was found

(CAN) DURING TAKEOFF AND CLIMB HELICOPTER STARTED TO YAW CAUSED BY ENGINE SURGING WITH FLUCTUATING NG TORQUE TOT CAUSED BY FAILURE OF AIRFLOW MODULATOR.