Service difficulty report · Blade · Bell 407

Difficulty date
September 25, 2011
Submitted
January 23, 2013
Operation
Air carrier
Make and model
Bell 407
Aircraft time
1,631 hours
Engine
Allsn 250C47B
Part
Blade
Part number
407015111FM1A
Condition
Cracked
Location
Main Rotor
Part time
363 hours
Stage of operation
IN
How discovered
V
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) THE ENGINEER WAS TRYING TO TRACK AND BALANCE THE MAIN ROTOR AFTER DOING MANY RUNS AND IT WAS NOTICED THAT THERE WAS A CRACK ON THE TAB.)

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