Service difficulty report · Blade · Bell 407

Difficulty date
September 11, 2014
Submitted
September 15, 2014
Operation
Air carrier
Aircraft
N905HA
Make and model
Bell 407
Aircraft serial
53497
Aircraft time
4,989 hours, 2,039 cycles
Engine
Allsn 250C47B
Part
Blade
Part number
406016100119
Part serial
BH93897
Condition
Cracked
Location
Tail Rotor
Part time
71 hours, 222 cycles
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

PAINT FOUND CRACKED BY MECHANIC WHILE PERFORMING A PREFLIGHT AIRWORTHINESS CHECK OF THE TAIL ROTOR BLADE PN 406-016-100-119, SN BH93897. UPON FURTHER INVESTIGATION BY REMOVING PAINT, IT WAS NOTED THAT CRACKS WERE EMANATING FROM THE BLADE & BLOCK BETWEEN THE TIP WEIGHTS. THIS BLADE WAS INSTALLED AS NEW AT 4926+19 ACTT 71 HRS 41 MIN AGO.

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