Service difficulty report · Blade · Bell 407

Difficulty date
March 17, 2005
Submitted
May 2, 2005
Operation
General aviation
Make and model
Bell 407
Aircraft time
3,849 hours
Engine
Allsn 250C47B
Part
Blade
Part number
407015011117
Part serial
A2333
Condition
Damaged
Location
Main Rotor
Stage of operation
IN
How discovered
9
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

(CAN) CRACK IN THE LEADING EDGE EROSION STRIP WAS DISCOVERED WHILE TRYING TO WORK THE MAIN ROTOR WITH THE RADS. ON INITIAL INSPECTION THE CRACK APPEARED TO BE A MASKED EDGE FROM THE NICKEL ABRASION COATING BUT AFTER THE BLADE WAS FLEXED, IT OPENED UP TO REVEAL A CRACK.

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