SDR AU980459

Service difficulty report · Cable · Snias AS350B

Difficulty date
April 28, 1998
Submitted
March 26, 2000
Operation
General aviation
Make and model
Snias AS350B
Part
Cable
Part number
BL7505
Condition
Sheared
Location
Hoist
Component
Breeze · BL16600120
Stage of operation
HO
How discovered
O
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

(AUS) DURING THE FINAL 2-3 METERS OF A TRAINING LIFT, THE HOIST OPERATOR PHYSICALLY LIFTED THE REMAINING LENGTH OF CABLE INSIDE THE CABIN. THE OPERATOR THEN ACTUATED THE HOIST 'RAISE' SWITCH TO WIND THE REMAINING CABLE AND THE CABLE FAILED LEAVING THE HOOKED END AND APPROXIMATELY 1.5 METERS OF THE CABLE IN THE OPERATORS HAND. INITIAL INVESTIGATION SUGGESTS THAT THE CABLE HAD 'BIRD CAGED' AND EFFECTIVELY INCREASED THE CABLE DIAMETER WHICH THEN JAMMED INSIDE THE CABLE GUIDE CAUSING THE FAILURE.