Service difficulty report · Chip Detector · Bell 407

Difficulty date
December 13, 2002
Submitted
February 4, 2003
Operation
Air carrier
Aircraft
N557AL
Make and model
Bell 407
Aircraft serial
53243
Engine
Allsn 250C47B
Part
Chip Detector
Part number
B4678
Condition
Dirty
Location
Mast Bearing
Part time
4,648 hours
Component
Gearbox · Bell
Component part number
407040006107
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

SHORTLY AFTER TAKEOFF, AFTER DROPPING THE PASSENGERS ON THE SUPER TANKER, THE PILOT TOOK OFF AND WAS ENROUTE, THE TRANSMISSION CHIP LIGHT ILLUMINATED, THE PILOT NOTIFIED VENICE BASE BY RADIO. UPON LANDING THE MECHANIC REMOVED THE MAST BEARING CHIP PLUG AND FOUND NO METAL, HE CLEANED THE PLUG AND CONNECTOR, PERFORMED PENALTY RUN AND LEAK CHECKED THE AIRCRAFT. NO FURTHER DEFECTS WERE NOTED, AIRCRAFT WAS RETURNED TO SERVICE.

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