SDR 98ZZZX1746

Service difficulty report · Bearing · Bolkms BK117B1

Difficulty date
April 29, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N213AE
Make and model
Bolkms BK117B1
Aircraft serial
7219
Engine
Lyc LTS101750B1
Part
Bearing
Part number
430203802
Condition
Failed
Location
Power Turbine
Part time
122 hours
Component
400100025
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

BEARING, WHICH IS PART OF THE POWER TURBINE THRUST SYSTEM AND INSTALLED IN THE ENGINE 121.6 HOURS EARLIER BY THE INCORPORATION OF SB LT 101-72-50-0174, FAILED 2.8 HOURS AFTER BEING RE-INSTALLED AFTER MAJOR MAINTENANCE. THE SUSPECT BEARING WAS INSPECTED PRIOR TO INSTALLATION. NO ANOMALIES NOTED AT THAT TIME. THE ENGINE EXPERIENCED SEVERAL CHIP EVENTS ON THE (FORWARD) FULL FLOW CHIP DETECTOR, THE ENGINE WAS REMOVED.