Service difficulty report · Gearbox · Bolkms BO105S

Difficulty date
June 9, 2005
Submitted
July 11, 2005
Operation
General aviation
Make and model
Bolkms BO105S
Aircraft time
7,587 hours
Engine
Allsn 250C20B
Part
Gearbox
Part number
4619002003
Part serial
1025
Condition
Making Metal
Location
Tail Rotor
Stage of operation
IN
How discovered
9
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

(CAN) ON INSPECTION A SMALL BUT SIGNIFICANT QUANTITY OF FUZZ WITH SOME SMALL FLAKES WAS FOUND ON THE MAGNETIC CHIP DETECTOR. THE SAME HAD BEEN NOTICED ON THE PREVIOUS100 HOUR INSPECTION. NO CHIP LIGHT HAD BEEN REPORTED. THE OIL WAS DRAINED ON THE PREVIOUS INSPECTION AND NO METAL WAS FOUND. ON THIS OCCURRENCE THE OIL WAS DRAINED AND ONE SMALL FLAKE WAS FOUND.