SDR 2003F00099

Service difficulty report · Pin

Difficulty date
January 16, 2003
Submitted
January 16, 2003
Operation
Air carrier
Propeller
Hamstd 14SF15
Part
Pin
Part number
7756722
Condition
Misinstalled
Location
Blade Pin
Component
Blade · Hamstd · 14SF15
Component part number
SFA13N1ROA
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

AFTER REMOVING THE BLADE PIN SETSCREW THE BLADE PIN WAS SO LOOSE THAT IT COULD BE REMOVED BY HAND. THE ID OF THE SLEEVE BUSHING IS OVAL AND MATERIAL IS PUSHED TO BOTTOM OF BORE. THIS IS THE FIRST TIME WE HAVE SEEN THIS SINCE THE REQUIREMENT FOR THE BLADE PIN RETENTION TEST WAS INTRODUCED. THE BUSHING SLEEVE IS PRESS INTO THE BLADE AND THEN THE BLADE PIN IS PRESS INTO THE BUSHING SLEEVE AND THE ASSEMBLE SHOULD WITHSTAND A 200 INCH-POUNDS PULL TEST.