Service difficulty report · Bearing · Grob G120A

Difficulty date
August 14, 2003
Submitted
August 27, 2003
Operation
General aviation
Aircraft
N862AF
Make and model
Grob G120A
Aircraft serial
85002
Engine
Lyc AEIO540D4D5
Part
Bearing
Part number
LN90898E4
Condition
Failed
Location
Rudder Hinge
Part time
1,073 hours
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 PRE-FLIGHT INSPECTION, FLIGHT CREW REPORTED A NOISE FROM THE RUDDER. INSPECTION OF THE RUDDER SYSTEM REVEALED A FAILED BEARING IN THE BEARING SUPPORT OF THE LOWER RUDDER HINGE. THE OUTER CASE OF THE BEARING HAD TWO PIECES BROKEN OFF AND MISSING. BEARING WAS RETURNED TO MANUFACTURER FOR INVESTIGATION. RECOMMEND REPLACEMENT OF BEARINGS WITH BETTER QUALITY BEARINGS.

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