SDR 98ZZZX1273

Service difficulty report · Wheel Blade · Bolkms BO105S

Difficulty date
March 9, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N105HH
Make and model
Bolkms BO105S
Aircraft serial
S339
Engine
Allsn 250C20B
Part
Wheel Blade
Part number
6876655
Condition
Missing
Location
Compressor Nr 5
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

UPON COMPRESSOR DISASSEMBLY FOR OVERHAUL, FOUND ONE BLADE MISSING FROM 5TH STAGE COMPRESSOR WHEEL. BLADE APPEARS TO HAVE EXITED THROUGH BLEED VALVE AS NO DOWNSTREAM DAMAGE OCCURRED. NO IN-SERVICE DIFFICULTY WAS REPORTED. THE COMPRESSOR WHEEL EXHIBITS EVIDENCE OF A CORROSION PIT HALF WAY THROUGH CHORD OF BLADE AT BREAK POINT.