Service difficulty report · Rotor Mast · Bolkms BO105S

Difficulty date
June 30, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N724MB
Make and model
Bolkms BO105S
Aircraft serial
S756
Part
Rotor Mast
Part number
4638205005
Condition
Corroded
Location
Main Rotor
Part time
7,192 hours
Component
4638001004
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

CORROSION IN BORES BEYOND LIMITS. REPLACED MAST ASSY.