SDR 95ZZZX1328

Service difficulty report · Blade · Bolkms BK117B1

Difficulty date
February 22, 1995
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N214AE
Make and model
Bolkms BK117B1
Aircraft serial
7206
Part
Blade
Part number
117150071
Condition
Bulged
Location
M/R
Part time
4,103 hours
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

MAIN ROTOR BLADE BALANCE WEIGHT IS COMPRESSING DUE TO CENTIFUGAL FORCE WHICH CAUSES A BULGE IN THE BLADE OUTER SKIN BEYOND MFG'S LIMITS, RENDERING THE BLADE UNSERVICEABLE.