SDR HEEA967622

Service difficulty report · Nozzle Vanes · Bolkms BO105S

Difficulty date
August 2, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N54197
Make and model
Bolkms BO105S
Aircraft serial
S805
Engine
Allsn 250C20B
Part
Nozzle Vanes
Part number
23060450
Condition
Cracked
Location
Nr 1
Part time
533 hours
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

ENGINE REMOVED DUE TO CRACKED COMPRESSOR SCROLL. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE VANES AND EXCESSIVE RUNOUT BEYOND SERVICEABLE LIMITS ON NR 2 NOZZLE 1ST STAGE TIP PATH. REPLACED DISCREPANT PARTS.