SDR HEEA087029

Service difficulty report · Freewheel Unit · Bell 407

Difficulty date
June 4, 2003
Submitted
June 9, 2003
Operation
Air carrier
Aircraft
N457PH
Make and model
Bell 407
Aircraft serial
53147
Aircraft time
3,769 hours
Part
Freewheel Unit
Part number
406040500131FM
Part serial
A4850
Condition
Vibrates
Location
Main Rotor
Part time
3,195 hours
Stage of operation
NR
How discovered
9
Nature of condition
E
Precautionary procedure
O

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

What was found

HIGH FREQ VIBRATION. REPLACED BEARING 406-040-532-103, S/N 0507 DUE TO WEAR LINE ON ROLLERS AND ROUGH; SEAL 214-040-841-101 DUE TO LEAKING. REPAIRED.

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