Service difficulty report · Bearing · Lear 35A

Difficulty date
November 16, 2000
Submitted
March 1, 2001
Operation
Air carrier
Aircraft
N789KW
Make and model
Lear 35A
Aircraft serial
35A222
Engine
Garrtt TFE73122B
Part
Bearing
Part number
3588251
Condition
Failed
Location
Rt Engine
Part time
4,007 hours
Stage of operation
NR
How discovered
O
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

WHILE ENROUTE RIGHT ENGINE FAILED DURING CLIMB AT ABOUT 30,000 FT. TURBINE RPM DROPPED TO ZERO. LANDING MADE WITHOUT INCIDENT. UPON INITIAL INSPECTION NOTED FAN SPINS FREELY BUT TURBINE WILL NOT ROTATE. ENGINE WAS REMOVED AND SENT FOR REPAIR OF NR2 SPOOL LOCKUP. TEARDOWN REVEALED ENGINE HAD SUFFERED NR5 BEARING FAILURE.

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