Service difficulty report · Pt Support · Bolkms BO105S

Difficulty date
February 3, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N5421E
Make and model
Bolkms BO105S
Aircraft serial
S806
Engine
Allsn 250C20B
Part
Pt Support
Part number
6898730
Condition
Defective
Location
Engine
Component
6898735
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

TURBINE REMOVED DUE TO CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: MEASURED .003 OVER SPECS (1.764-1.761) ON PT SUPPORT NR 6 DAMPER GROOVE AND CHROME FLAKING FROM NR 7 DAMPER GROOVE.