Service difficulty report · Transmission · Bolkms BK117C2

Difficulty date
February 1, 2013
Submitted
February 5, 2013
Operation
Air carrier
Aircraft
N587MH
Make and model
Bolkms BK117C2
Aircraft serial
9174
Aircraft time
1,437 hours, 5,522 cycles
Part
Transmission
Part number
B632K1001051
Part serial
KA0748
Condition
Making Metal
Location
Main Rotor
Part time
1,437 hours, 5,522 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

PILOT WAS IN CRUISE FLIGHT, TO AIRPORT FOR FUEL AND MAIN TRANSMISSION CHIP LIGHT ILLUMINATED, PERFORMED CHIP BURN AND REMAINED ILLUMINATED. LANDED AND PERFORMED SECOND BURN AND AND THE CHIP LIGHT WENT OUT. MECHANIC WAS CALLED, INSPECTED THE CHIP DETECTORS AND FOUND SMALL AMOUNT OF FUZZ THAT WAS WITHIN THE "NORMAL WEAR" CATEGORY IAW MM CHAP 63-41-00, 6-02. CLEANED, REINSTALLED AND PERFORMED 10 MIN GROUND RUN WITH NO FURTHER CHIP INDICATIONS. ACFT RETURNED TO SERVICE.