SDR HEEA979167

Service difficulty report · Rotor Mast · Bolkms BO105S

Difficulty date
March 12, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N967MB
Make and model
Bolkms BO105S
Aircraft serial
S737
Part
Rotor Mast
Part number
4638205005
Condition
Corroded
Location
M/R
Part time
2,020 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 ON FLANGE SURFACE AND IN BORES BEYOND REPAIRABLE LIMITS. LIMITS .3MM (.0118") AFTER REPAIR. REPLACED WITH SERVICEABLE UNIT.