Service difficulty report · Pin · Gulstm 695A

Difficulty date
April 24, 2003
Submitted
May 7, 2003
Operation
Air carrier
Aircraft
N7812
Make and model
Gulstm 695A
Aircraft serial
96089
Engine
Garrtt TPE331*
Part
Pin
Part number
AN386428
Condition
Scored
Location
Mgl Strut
Component
Mlg Strut Assy
Component part number
40013918R
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING A NORMAL PERIODIC INSPECTION IT WAS DISCOVERED THAT THE TAPERED PINS WHICH RETAIN THE MLG HOUSING SUPPORT PINS HAD INCORRECT HARDWARE (PLAIN WASHERS UNDER THE NUT, INSTEAD OF SPECIAL AN975-5 WASHERS) SECURING THE TAPERED PINS IN PLACE. FURTHER INVESTIGATION REVEALED THE TAPERED PINS IN PLACE. FURTHER INVESTIGATION REVEALED THE TAPERED PIN SIDES WERE DAMAGED FROM IMPROPER INSTALLATION AND THE TAPERED HOLES WERE FOUND NOT TO BE REAMED DEEP ENOUGH FOR CORRECT INSTALLATION. NO OTHER DAMAGE WAS FOUND. NEW PINS WERE INSTALLED AND HOLES REAMED TO THE CORRECT DEPTH AND PINS SECURED USING CORRECT HARDWARE.