Service difficulty report · Bearing · Lear 36A

Difficulty date
January 30, 2009
Submitted
January 30, 2009
Operation
Air carrier
Aircraft
N56PA
Make and model
Lear 36A
Aircraft serial
023
Aircraft time
14,825 hours, 8,391 cycles
Engine
Garrtt TFE73122B
Engine time
12,682 hours, 7,233 cycles
Part
Bearing
Part number
30728851
Part serial
41991423474
Condition
Separated
Location
Accy Gearbox
Part time
4,736 hours, 1,929 cycles
Component
Accy Gearbox · Garrtt
Component part number
30700034
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

DURING COMPLIANCE WITH SB TFE731-72-3696 (REPLACEMENT OF AIR/OIL SEPARATOR IN THE ACCESSORY GEARBOX) FOUND THE FWD PART OF THE BALL BEARING CAGE SEPARATED FROM THE AFT STARTER GEAR SHAFT BEARING.

More about the Lear 36A