Service difficulty report · Gearbox · Bolkms BK117C2

Difficulty date
June 23, 2023
Submitted
June 23, 2023
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
14723469721
Aircraft time
3,924 hours
Part
Gearbox
Part number
4639002011
Part serial
3552
Condition
Making Metal
Location
Unknown
Part time
931 hours
Stage of operation
IN
How discovered
V
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

DURING INSP A010, MAINTENANCE FOUND IGB MAGNETIC CHIP DETECTOR TO HAVE METALLIC CHIPS IN THE OIL COMPOSED OF CRITICLAL MATERIALS. REMOVED AND REPLACED INTERMEDIATE GEAR BOX IAW AMM 65-32-00, 4-1.