Service difficulty report · Bushing · Lear 45LEAR

Difficulty date
June 25, 2018
Submitted
June 25, 2018
Operation
General aviation
Aircraft
N440FX
Make and model
Lear 45LEAR
Aircraft serial
346
Aircraft time
8,473 hours, 6,291 cycles
Part
Bushing
Part number
M81934222C064P
Condition
Debonded
Location
Left
Part time
8,473 hours, 6,291 cycles
Stage of operation
IN
How discovered
9
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

DURING THE SCHEDULED REPLACEMENT OF THE STAB ACTUATOR, IT WAS NOTICED THAT THE ENTIRE HORIZONTAL STABILIZER HAD VERTICAL PLAY. UPON FURTHER INVESTIGATION, IT WAS NOTED THAT THE L/H BUSHING INNER LINER HAD DISBONDED AND COMPLETELY WORKED ITSELF OUT OF THE BUSHING AND WAS IN THE CENTER SECTION OF THE PRIMARY BOLT. I HAVE E-MAILED SEVERAL PICTURES AND A VIDEO OF THE MOVEMENT OF THE HORIZONTAL STAB.