SDR 96ZZZX2961

Service difficulty report · Blade · Beech B100

Difficulty date
May 17, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N86TR
Make and model
Beech B100
Aircraft serial
BE22
Propeller
Hartzl HCB4TN5
Part
Blade
Condition
Cracked
Location
Prop Backside
Stage of operation
IN
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

CORPORATE TECHNICIAN NOTICED A FLAW IN BACKSIDE OF A PROPELLER BLADE. UPON FURTHER INSPECTION, FLAW WAS DISCOVERED TO BE A CRACK APPROXIMATELY 3.25 INCHES IN LENGTH, AND 14.3750 INCHES FROM THE TIP OF THE BLADE. CRACK SPAN WIDTHWISE, AND COULD BE SEEN TO OPEN UP WHEN BLADE WAS FLEXED BY HAND. PROPELLER BLADE SPANS ONLY 7 INCHES AT POSITION OF CRACK. CRACK WAS APPROXIMATELY CENTER OF BLADE, AND HAS NOT PROPAGATED TO THE LEADING AND TRAILING EDGES. ALSO, CRACK CANNOT BE SEEN OR DETECTED WITH EDDY CURRENT MACHINE ON THE FACE SIDE OF THE PROPELLER BLADE.

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