Service difficulty report · Gearbox · Bolkms BK117B1

Difficulty date
May 27, 2003
Submitted
June 16, 2003
Operation
General aviation
Make and model
Bolkms BK117B1
Aircraft time
4,264 hours
Engine
Lyc LTS101750B1
Part
Gearbox
Condition
Making Metal
Location
Main Rotor
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) MAIN TRANSMISSION CHIP LIGHT IN CRUISE, CHIP DETECTORS PULSED UNSUCCESSFULLY, PILOTS LANDED A/C. CHIP DETECTORS INSPECTED AND FOUND .1 FT X .05 FT FERROUS CHIP WITH SEVERAL FERROUS FLAKES. FILTERS INSPECTED, FOUND CONTAMINATED WITH FERROUS FLAKES. TRANSMISSION REMOVED FOR REPAIR.