Service difficulty report · Bearing · Snias AS350B3

Difficulty date
March 9, 2015
Submitted
February 8, 2018
Operation
Air carrier
Aircraft
N237BS
Make and model
Snias AS350B3
Aircraft serial
7542
Aircraft time
657 hours
Part
Bearing
Part number
704A33651243
Part serial
1316227
Condition
Seized
Location
Hydraulic Pump
Part time
252 hours
Stage of operation
CR
How discovered
O
Nature of condition
F, J
Precautionary procedure
A

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

What was found

PILOT FLYING SOLO, DAY, VFR, OBSERVED "HYDRAULIC" AND "SERVO" CAUTION LIGHTS FOLLOWED BY HIGHER THAN NORMAL FORCES REQUIRED FOR TAIL ROTOR CONTROL. PILOT LANDED AS SOON AS PRACTICAL PER THE RFM. FOUND THE BELT DRIVEN HYDRAULIC PUMP BEARING HAD SEIZED.