Service difficulty report · Belt · Snias AS350B2

Difficulty date
June 27, 2019
Submitted
August 17, 2020
Operation
General aviation
Make and model
Snias AS350B2
Aircraft time
9,800 hours
Engine
Tmeca ARRIEL1D1
Part
Belt
Part number
704A33690008
Condition
Deteriorated
Location
Hyd Pump
Part time
71 hours
Stage of operation
IN
How discovered
9
Nature of condition
E
Precautionary procedure
K

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

What was found

(CAN) HYD BELT WAS NOTED TO BE WHIPPING/VIBRATING EXCESSIVELY BETWEEN THE 2 PULLEYS - AN EXCESSIVE VIBRATION WAS FELT IN THE HYDRAULIC PUMP - HYDRAULIC BELT DIDN`T RIDE ON PULLEYS CORRECTLY. - HYDRAULIC BELT WAS NOTED TO FEEL STICKY, WITH NO KNOWN CONTAMINATION - RUBBER BALLING WAS NOTED IN THE V GROOVES OF THE BELT AFTER REMOVAL(NOT NORMAL). - REPLACED BELT WITH NEW, PUMP VIBRATION WAS NO LONGER FELT AND WHIPPING/VIBRATION OF THE BELT WAS NORMAL. - SUSPECT BELT MANUFACTURE DEFECT, SOFT OR GUMMY BELT. (TC# 20190704014)