Service difficulty report · Cable · Snias AS350B2

Difficulty date
February 23, 2011
Submitted
September 9, 2011
Operation
Air carrier
Make and model
Snias AS350B2
Aircraft time
4,694 hours
Engine
Lyc LTS101700D2
Part
Cable
Condition
Stiff
Location
Governor
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

PILOT REPORTED SLUGGISH GOVERNOR REACTION. FLIGHT FROM 6800` DROP OFF AT MINUS 22 DEGREES C TO THE LOWER LANDING AT 4900` -18 DEGREES C AND SHUT DOWN. AT TAKE OFF FROM 4900` -18 C STIFFNESS IN COLLECTIVE MOVEMENT AND NR BLEED DOWN WAS EXPERIENCED. MX WHERE ABLE TO FREE UP THE BINDING FLEX CABLE ALLOWING THE ASTAR TO RETURN TO THE HANGER. THE FLEX CABLE ATTACHES THE GOVERNOR INPUT TO THE COLLECTIVE LINKAGE VIA A SPRING, THE STIFFNESS FELT WAS THE SPRING STRETCHING AND COMPRESSING. IN THE WARMER CLIMATE AT THE VALLEY BOTTOM THERE WAS NO ANOMALIES FOUND. THE FLEX CABLE WAS REPLACED AND SKI OPERATIONS CONTINUED.